WATER
Water is an absolute necessity to
man, as much as the air he breathes or the food he
eats. Water comes to us in the form of rain or
snow. We usually think of it as unlimited, but
we must come to think of it as a resource that can
be abused and wasted or made useful and profitable
as is the soil itself.
The amount of water is fixed and passes
in an endless round from cloud to river or land and
back to the clouds again. The average yearly
rainfall of the United States is estimated at thirty
inches, about forty inches in the eastern half, an
average of eighteen inches in the western part, and
in many places not more than ten or twelve inches.
One inch of rain would amount to nearly one hundred
and one tons per acre, or on a roof twenty feet long
by twenty feet wide, one inch of rain would be two
hundred and fifty gallons. With a rainfall of
forty inches, this would amount to 10,000 gallons
in a year, or an average, over every bit of land twenty
feet square, of twenty-seven gallons for every day
in the year. This is about the quantity that
falls in the eastern part of the United States.
It varies slightly from year to year,
but there is no more there is no possible
way of adding to it, though we may lessen it by allowing
it to rush out to sea, giving no service to the land.
As the land waters diminish the rainfall also grows
less.
This two hundred trillions cubic feet
of water which falls on our land every year constitutes
our entire water resource, is the source of all our
rivers and streams, of the moisture in the air, of
our rains and snows, and our water for plant and animal
growth.
To understand how much this is, we
may say that it is about equal to ten times the amount
of water that flows through the Mississippi River
system. The water of the Mississippi and its branches
is nearly half of all the water in the United States
that flows through waterways to the sea. This
water that flows through our streams is sometimes called
the run-off. The run-off is increasing every
year as we cut our forests and cultivate our land.
It is used for navigation, irrigation and power, but
the increase is not an advantage for these purposes
as might be supposed, because it comes in disastrous
floods, tearing away dams, ruining power sites, and
not only preventing navigation during the flood season,
but by filling up the rivers and changing the channels,
making navigation difficult and dangerous throughout
the year. The run-off is controlled to some extent
and may be brought under almost as complete control
as may be desired.
As much as the water of five or six
Mississippis, or a little more than half of our supply,
is evaporated to moisten and temper the air, to fall
as rain or snow, or to form dews. This is sometimes
called the fly-off, and except for some changes caused
by management of the land, is entirely beyond control.
A part of the remainder sinks into
the soil below the surface. A large portion of
this helps to cause the slow rock-decay that forms
the soil, and which is known as ground water.
It is estimated that within the first hundred feet
below the surface of the earth there is a quantity
of water that has seeped down; and that would form,
if it were collected, a vast reservoir sixteen or
seventeen feet in depth spreading over all the 3,000,000
square miles of the area of our country. This
is equal to about seven years’ rainfall and
is a very important part of our water resources.
In many places it forms into underground streams or
lakes. It feeds all the springs and many of the
lakes. Our wells are dug or drilled into this
underground water system. It carries away the
excess of salts and mineral matter from the soil,
the trees strike their roots deep into the earth and
draw from it, and last and most important of all,
that which sinks immediately below the surface supplies
all our plant growth. So that it is this last
portion, that which sinks below the ground, and which
is sometimes termed the cut-off, amounting to about
one-tenth of all our water resource, or about the quantity
that flows through the Mississippi River system, that
forms the really important part.
On this depends all that makes a land
habitable, the water for drinking purposes and for
plant and animal growth. On it depends the rate
of production of every acre of farm and forest land
and the life of every animal. Every full-grown
man of one hundred and fifty pounds takes into his
system not less than a ton of water each year, and
every bushel of corn requires for its making fifteen
or twenty tons of water.
Of the importance of this Professor
Chamberlain says: “The key to the problem
of soil conservation lies in due control of the water
that falls on every acre. This water is an asset
of great value. It should be counted by every
land owner as a possible value, saved if turned where
it will do good, lost if permitted to run away, doubly
lost if it also carries away the soil and does destructive
work below.”
The uses of rainfall are given thus:
A due portion should go through the
soil to its bottom to promote rock decay. Some
of it should go into the underdrainage to carry away
harmful matter, another portion goes up to the surface
carrying solutions needed by the plants. A portion
goes into the plants to nourish them, and still another
part runs off the surface, carrying away the worn-out
parts of the soil.
Crops can use to advantage all the
rain that falls during the growing season; and in
most cases crops are all the better for all the water
that can be carried over from the winter. There
are many local exceptions, but in general crops are
best when the soil can be made to absorb as much of
the rainfall and snowfall as possible. This also
causes the least possible amount of wash from the land.
Doctor N. J. McGee says: “Scarcely
anywhere in the United States is the rainfall excessive,
that is, greater than is needed by growing plants,
living animals and men. Nearly everywhere it falls
below this standard. In the western part the
average rainfall is only about eighteen inches; in
the extreme eastern part the fall averages forty-eight
inches. In the western part much of the land
is unable to produce crops at all except when artificially
watered. The eastern part might produce more abundant
crops, develop greater industries and support a larger
population with a rainfall of sixty inches than it
is able to do with a rainfall of forty-eight inches.”
As may readily be seen, the fly-off can be controlled
only in a very small degree, by conserving the moisture
that is in the soil, and so preventing it from evaporating
too rapidly.
The cut-off can be controlled to a
considerable extent through forestry and scientific
farming and it is very important that the supply should
be as carefully conserved as possible.
But it is in the run-off that the
great waste of water occurs, and also that great saving
is possible. It has been found by careful estimate
that from eighty-five per cent. to ninety-five per
cent. of the water that flows to the sea is wasted
in freshets or destructive floods.
We are not accustomed to think of
the water as wasted, since it seems beyond our control,
but as we are taking a careful account of stock, and
seeing how our forests, our fuels and our minerals
are disappearing, and our soil being carried out to
sea by the rushing waters, it is well to consider,
also, whether this great resource may not be so used
as to benefit mankind in many ways and at the same
time lessen the drain on other resources.
The water of streams may be divided
as to use into four great classes. The most important
is that used by cities for general supply, for household
and drinking purposes; next, that which is used for
navigation and the running of boats to carry commerce;
third, that which is used for artificial watering
or irrigation, and lastly, that which is used for
power in manufacturing.
In the past, when water has been used
it has seldom been employed for more than one of these
purposes, but as we come to understand more the nature,
value and possibilities of this great resource, we
shall learn to make the money spent for one of these
lines of activity supply several other needs.
As we study each of these separately
we shall see this interrelation among them.
The cities of the United States have
expended $250,000,000 in waterworks and nearly as
much more in land for reservoirs, and for canals for
conveying the water from these reservoirs to the cities.
The better managed systems protect the drained lands
from erosion by planting forests or grass and the
water is completely controlled, so that all the water,
even the storm overflow, is saved. There is very
little waste in these city water systems until it
comes to the consumer, where, except when it is sold
through meters, the waste is often great.
The failure to provide the greatest
good lies in the fact that the water systems have
been used for water supply only and have not been
made profitable in other ways. The drainage basins
should be heavily planted with trees, which will in
time yield a large return, or with hay, which can
be marketed each year. Whenever possible, the
canals carrying the water supply should also be used
to furnish power.
The city of Los Angeles, when it had
a population of only 150,000, undertook to provide
pure water from a point two hundred and fifty miles
distant. To do so it must take on itself a debt
of $23,000,000, a large sum for a city ten times its
size. Yet the people were ready to assume this
great burden to insure an unending supply of pure water,
for they realized that without it their city could
not continue to grow. It was not until the plans
for piping water to the city were almost completed
that the value of the water-power along the route was
realized. It has been disposed of at a rate that
pays ten per cent. interest on the debt each year,
and has made what seemed a dangerous risk, a profitable
business arrangement. All these other uses of
water which are profitable, help to lower the price
of water to the users.
The matter of supreme importance in
the water supply, however, is not whether the water
is cheap, but whether it is pure. If refuse from
factories is allowed to drain into a stream, the water
becomes loaded with poisonous chemicals, acids, or
minerals. If city sewage or barn-yards are allowed
to drain into it, the germs of typhoid and other fevers
enter the water supply. To insure the purity of
water supply from a stream, no factory waste, city
sewage or country refuse should be allowed to enter
any part of the stream. In addition to this it
should be carefully filtered.
The disposal of waste is a serious
problem, and the easiest way is to divert it into
the nearest water course and trust to the old maxim,
“Running water purifies itself.”
This, while true as a general fact,
has so many exceptions that it is not safe to trust
to it. The Sanitary District Canal of Chicago
has proved positively that even the most heavily germ-laden
water becomes pure by running many miles at a regulated
speed through the open country, but the conditions
are altogether different from those of an ordinary
river. First, in a river, sewage may enter at
any point down-stream to add to the germs already
present in the water, while nothing is allowed to
enter the Drainage Canal after it leaves the city.
Second, some germs live for several days and may be
carried many miles. Only a microscopic test can
prove whether water contains such germs. Usually
such tests are not made and water is used without people
knowing whether it is pure or not, but the water of
the Sanitary Canal is tested at many points to determine
its purity. Each hour and each mile of its journey
it grows purer. This proves that although running
water does purify itself, a stream that is drained
into all along its course is not a fit source of water
supply.
Factory refuse, instead of being allowed
to pollute the waters, should be turned to good use
by extracting the chemicals, which form valuable by-products.
All farm waste should be taken to a remote part of
the farm, placed in an open shed or vat with cement
floor and screened from flies to form a compost heap
for fertilizers for the farm. This will amply
repay the extra trouble and expense by increasing the
farm crops. The sooner such refuse, especially
manure, is returned to the land, the more valuable
it is as a fertilizer.
In cities the sewage should be disposed
of in such a way as to yield a profit to the city,
and also promote the health of the people. The
sewage of a city of 100,000 people is supposed to be
worth, in Germany, about $900,000 a year for fertilizer
on account of the phosphorus it contains. The
city of Berlin operates large sewage farms, using as
laborers men condemned to the workhouse. The expense
for land and sewer system was $13,000,000, but it
pays for the money invested, with $60,000 yearly profit
over all expenses.
On the other hand the cost of impure
water to the city of Pittsburg was reckoned at $3,850,000,
and in the city of Albany, New York, the annual loss
was estimated at $475,000.
In the early settlement of our country
all towns were built on streams, and the ones which
grew and flourished were all on rivers large enough
to carry commerce by boat. After the invention
of steamboats, daily packet lines were run on all
the principal rivers.
Albert Gallatin planned a complete
system of improved waterways, including many canals,
that was intended to establish a great commercial
route. Many canals were built and put into actual
operation and dozens of others had been planned, when
the building of railways began. This new system
of transportation at once became popular. Not
only were no more canals dug and no more steamboat
lines built, but many of those actually in operation
were abandoned.
In order to encourage railroad building
and develop new regions, the government has given
land and money to the extent of hundreds of millions
of dollars, until now the railroads form one-seventh
of all our national wealth, having 228,000 miles of
tracks and earning $2,500,000,000 each year, while
the waterways owned by the government have fallen
into disuse.
Within the last four or five years
another change has come about in the general attitude
toward the waterways. At the time that the crops
are moved in the fall, and when coal is needed for
the winter supply, there are not nearly enough cars
in the country to handle the volume of business, neither
are there enough locomotives to move the necessary
cars, nor tracks, nor stations. In short, the
railways are entirely unable to handle the vast products
of the country during the busiest seasons. Many
persons in the West have suffered for fuel, and commerce
has been greatly checked by the shortage; and the situation
is growing worse each year as production increases.
James J. Hill estimates that the cost
of equipping the railroads to carry the commerce of
the country would be from five to eight billion dollars.
This means a heavy tax on iron and coal and timber
as well as on the labor resources of the country,
and it would then be only a question of time until
still further extensions were needed.
With these facts in view, interest
in the waterways of the country has been revived.
It is estimated that it will require
five hundred million dollars, or fifty million dollars
a year for ten years completely to improve the waterways
of the country. This is not more than one-tenth
of what would be needed to equip the railroads.
The cost of carrying freight by rail is from four
to five times that of carrying it by water.
Much of the heavy freight of the country, coal,
iron, grain and lumber, should be carried
in this way, in order to reduce freight rates and
so, indirectly, the cost to the people, and further
to relieve the burden on the railways.
The railways, it might be added, would
still have a large and increasing package-freight
business, besides the handling of heavy freight in
parts of the country where there are no navigable
rivers.
For these reasons it would seem clearly
the only wise policy to adopt a general plan for waterway
improvement and carry it into effect at once.
But there are many things to be considered.
Millions of dollars (in all about
five hundred and fifty-two millions) have been spent
for the improvement of waterways. Some of it has
resulted in great gain, but a large part of it has
been wasted through lack of an organized plan.
Work has been begun and not enough money appropriated
to finish it. In the course of a few years much
of the value of the work is destroyed by the action
of the current or by shifting sands, or if a stretch
of river is finished in the most approved manner,
often it is not used much, in some cases actually less
after than before the work was begun, and these things
have created a prejudice against waterway improvements.
The other reason is that in spite
of the overcrowding of the railroads, the traffic
on many of our large rivers is steadily growing less.
The Inland Waterways Commission finds as a reason
for the decrease, the relations existing between the
railways and the waterways. A railway, they consider,
has two classes of advantages. First, those that
come from natural conditions. A railroad line
can be built in any direction to any part of the country
except the extremely mountainous parts, while a river
runs only in a single direction.
If a new region distant from a large
water course is opened up, as is being done rapidly
in the West through irrigation and dry farming, the
people are entirely dependent on the railways to develop
it, to bring them all the conveniences of the outside
world, and to carry the products of their land to
the market.
Branch lines and switches can be built
to factories and warehouses, while boats can reach
only those situated along the water-front.
Another advantage of the railroads
is that they bill freight all the way through, and
that freight is much more easily transferred from one
road to another. It is much more difficult and
expensive to load and reload freight from boats and
barges on account of the high and low water stages
of the river. This difference amounts to as much
as sixty feet in the Ohio River at Cincinnati.
Railways make faster time, and the distance between
two points is usually shorter, though sometimes during
the busy season of the railways the river freight reaches
its destination much sooner.
The other class of reasons relates
to the railways themselves, which have always been
in open competition with the waterways, and to gain
traffic for themselves, usually charge lower rates
to those points to which boats also carry freight.
In many cases they have bought the steamboat lines
so that rates might be kept up, and then, unable to
operate the two lines as cheaply as one, have abandoned
the steamboat lines.
Another method by which the railroads
have driven out the water traffic, is by charging
extremely heavy rates for freight hauled a short distance
to or from boats, making it quite as cheap as well
as more convenient to send freight all the way by
rail.
Lastly, railroad warehouses, terminals
and machinery for handling freight are all much better
than those of inland steamboat lines, except at some
points on the Great Lakes where the traffic is very
heavy.
Some of these disadvantages might
be overcome by law. In France, where the waterways
are managed better than in any other country, the law
requires that railroad rates be twenty per cent. higher
on all heavy freight than the rates on the same freight
if carried by water, and in several countries railroad
companies are not permitted to own or manage a steamboat
line.
These measures are suggestive of what
may be done by law to correct abuses, but laws alone
can not accomplish everything. The rivers belong
to all the people, and every one who wishes may operate
steamboat or barge lines, but before these can become
profitable, and before first class warehouses and
machinery are installed, there must appear on the
part of the people a desire to patronize them.
The best results are found in those cases where there
is harmony between the railways and the steamboat
lines; those in which the steamboat lines relieve the
railways of much of the heavy freight which they are
not able to handle without greatly increasing their
present equipment.
There should be cooeperation on the
part of the people. The towns and cities along
the banks of many European rivers provide suitable
terminals, warehouses and wharves with free use of
the service. In other cases this is done by private
capital with a charge for use to shippers. Sometimes
it is done by the steamboat companies themselves, but
unless one or the other method is assured all along
the river it is not wise for the government to undertake
the improvement of a stream.
Intelligent improvement of the waterways
of the United States demands first that a careful
survey of the needs of the whole country be made,
then that a systematic plan be carried out providing
for the improvement of important streams first.
The state and nation should work together,
and any work that is begun should be completed as
promptly as possible so that its full benefit may
be realized.
Certain work, such as the improvement
of the channel, should be done by the national government,
since the waters belong to the nation; but the expense
of constructing levees or dykes should be borne by
the land owners along the banks, because the land
thus protected is greatly increased in value; or by
the state, which gets the return in increased taxes.
In many instances, the improvement
of a stream would be a great benefit to one state
or part of a state, but it would be impossible in many
years to improve all the desirable streams, so that
the larger ones of most general importance must be
considered first.
In such cases the improvement is often
undertaken by the state. Some navigable rivers
have been thus improved and many canals are the property
of states or of private companies.
Only a few rivers have a steady flow
throughout the year at a depth sufficient to carry
large boats. On most streams destructive floods
at certain seasons and low waters at others interfere
with navigation during a considerable part of the
year. Most rivers have sand-bars, sunken rocks
or logs in the channel, making the passage of boats
difficult and dangerous. Others are well suited
for navigation, except at points where rapids and
falls make it impossible for boats to pass. The
Ohio, the Tennessee, the Missouri and the upper Mississippi
abound in such dangerous places and these should be
canalized. It is the improving of rivers in these
ways, dredging harbors to make them safer, and digging
canals to provide a short passage between two bodies
of water, that constitute what is known as the Improvement
of Inland Waters.
If you look at a map showing the navigable
streams of the United States you will see that nearly
all of them lie in the eastern part.
The Mississippi is like a great artery
with branches extending in all directions, east and
west. The Great Lakes, with their outlet, the
St. Lawrence River, and the many important rivers
emptying into the Atlantic Ocean and the Gulf of Mexico,
such as the Merrimac, Hudson, Delaware, Susquehanna,
Potomac and Rio Grande, form great highways for all
the commerce of the eastern part of the country, while
the Columbia, Sacramento and Colorado Rivers, with
their branches, are the only navigable streams of
any importance west of the Mississippi River system.
In some places a small portion of
land divides two important water areas, and canals
dug through this neck of land change the commercial
routes of the whole world. Such are the Isthmus
of Suez, eighty-seven miles wide, through which a
canal was cut that saves a sailing distance of 3,700
miles from England to India. Only the Isthmus
of Panama, forty-nine miles in width, divides the
Atlantic from the Pacific Ocean. When the canal
across this narrow strip is completed, the sailing
distance from New York to San Francisco will be shortened
8,000 miles, the entire distance around South America.
The Sault Ste. Marie Canal,
connecting Lakes Superior and Huron, is only a little
more than a mile and a half long, but it opens up the
entire iron, copper, lumber and wheat resources of
the Northwest to cheap water passage through the other
lakes to the manufacturing region of the East.
The Erie Canal, by connecting Lake
Erie with the Hudson River from Buffalo to Albany,
New York, makes the only water passage from the Great
Lakes to the ocean that lies within the borders of
the United States.
If you will turn to the map again,
you will see still other places where a short canal
may open up an entirely new and important water route.
From Chicago to Lockport, Illinois, is only thirty-seven
miles, but Chicago is on Lake Michigan, while Lockport
is on the Illinois River, a branch of the Mississippi.
This canal, a large part of which is now in operation,
is a part of the Lakes to Gulf waterway. One plan
is to broaden and deepen the channel so that large
vessels may pass, without unloading, from the Lakes
to the Gulf of Mexico.
Another proposed canal which would
be undertaken largely by individual states and a part
of which is already completed, would afford a safe
inside passage connecting the many bays, channels and
navigable rivers of the Atlantic coast.
Still another proposed measure is
the cutting of a canal from the southern end of Lake
Michigan to the western end of Lake Erie at Toledo,
Ohio, to avoid the long haul up Lake Michigan and down
Lake Huron again.
The United States now has 25,000 miles
of navigable rivers and a nearly equal mileage of
rivers not now navigable but which might be made commercially
important; five great lakes that have a combined length
of 1,410 miles, 2,120 miles of operated canals, and
2,500 miles of sounds, bays and bayous, that might
be joined by tidewater canals easily constructed,
less than 1,000 miles long altogether, and making a
continuous passage from New England to the Gulf of
Mexico.
In all, our waterways at the present
time are 55,000 to 60,000 miles long, the greatest
system in the world, but almost unused.
The most important waterway improvement
so far completed, is the Sault Ste. Marie,
or the “Soo” canal which cost $96,000,000.
A depth of eight feet was increased to twenty-one
feet. The traffic has risen in sixteen years
from a million and a quarter tons to forty-one and
a quarter million tons.
A large proportion of the United States
is not naturally fitted to be the home of man; at
least, it is not fitted to produce his food, and except
on the lofty mountains the reason for this will almost
always be found to be either a lack or an excess of
water.
In some parts of the country, there
is, as we have seen, little rainfall. These arid
or semi-arid lands must be provided with water for
drinking purposes and for agriculture. The diverting
of water courses into canals and ditches so that water
can be carried to these waste lands is called irrigation.
In other parts of the country where
rains are abundant, serious floods occur every year,
often many times in a year. Thousands of acres
of land thus subject to overflow are lost to use.
The holding back of these flood waters in the upper
part of the rivers, and so preventing these overflows,
is termed storage of waters.
In still other regions the rainfall
is abundant, and the land low-lying. Large areas
are always covered with water. Such lands are
called swamps or bogs, and when drained, they become
the richest of agricultural lands. Irrigation,
storage and drainage are the three methods employed
to make waste lands valuable and useful. The land
is saved or reclaimed, so all these methods of balancing
and distributing the water supply are called reclamation.
In general it may be said that irrigation
is more generally needed in the West, storage of flood
waters in the central and eastern states, and drainage
in the South.
By thus distributing the rainfall,
hundreds of millions of acres have been or may be
reclaimed, and large regions, formerly unfit to inhabit,
have been turned into profitable farms. Three-fourths
of one per cent. of our total rainfall, or two per
cent. of all that falls in the West, is used for irrigating
13,000,000 acres.
There are several methods of irrigation
which are adapted to different regions and different
crops. The rice fields of South Carolina, Georgia,
Louisiana and Texas are irrigated by allowing the land
to remain continually flooded to a depth of several
inches. When the irrigation season is over the
levees are opened, and the water runs off rapidly,
and the crop is soon ready to be harvested. Tidal
rivers are used to supply water in most cases, but
in Texas many flowing wells are employed for irrigation.
In Florida, where irrigation is used
largely for intensive farming, various means are employed,
some of which are also used in the western and southwestern
states. Mechanical pumps, operated by turbine
wheels, pump the water from the rivers if a lift be
required. Sometimes the water is pumped direct
to the fields in iron pipes and applied by means of
hydrants and hose, as in a city water system.
Overhead pipe lines are now recognized
as the most perfect and satisfactory form of artificial
watering. Two-inch pipes are run over frames
several feet in height. These are arranged in
parallel lines all over the fields about forty feet
apart. At intervals of forty feet, a small iron
pipe, ending with a fine spraying attachment, extends
upward. The water is turned on in the evening
and comes out of the sprayer in a fine mist and falls
upon the plants like a gentle rain.
By another form of irrigation, the
fields are divided at regular intervals by wide wooden
troughs from which water is directed between the rows
of plants. Main canals leading from the streams
and intersected by short canals extend in all directions
through the fields and orchards, and are distributed
in various ways. This system is in general use
throughout the arid portions of the West. The
methods are said to be the most scientific and varied
in southern California.
When water for irrigation is supplied
from wells some underground system is generally used.
One common method is to lay continuous pipes from the
wells all over the fields and distribute from hydrants,
plugs and standpipes.
By still another system, the water
is carried below the surface through pipes which are
broken every few inches and laid in beds of charcoal.
In the eastern states irrigation is
only employed in dry weather to increase the yield
of vegetable crops. In the arid western region
it transforms what would otherwise be a dreary desert
into fertile valleys.
William J. Bryan, speaking at the
first Conservation Congress, said, “Last September,
I visited the southern part of Idaho and saw there
a tract that has been recently reclaimed. I had
been there before. I had looked upon these lands
as so barren that it seemed as if it were impossible
that they could ever be made useful.
“When I went back this time
and found that in three years 1,700,000 acres of land
had been reclaimed, that where three years ago nothing
but sage-brush grew, they are now raising seven tons
of alfalfa to the acre, and more than a hundred bushels
of oats; when I found that ten thousand people are
living on that tract, that in one town that has grown
up in that time there are more than 1,900 inhabitants,
and in three banks they had deposits of over half
a million dollars, I had some realization of the magic
power of water when applied to these desert lands.”
The same thing might be said of other
regions throughout the West. In the Salton district
of California a marvelous change has been brought
about by irrigation. A few years ago that was
one of the most desolate and forbidding regions on
our continent. Now it is covered with several
thousands of acres of alfalfa and other crops, and
it bids fair to be a great fruit region. Of southern
California it is said, “The irrigation systems
of this part of the state are known all over the world,
and have created a prosperous commonwealth in a region
which would be a scene of utter desolation without
them.”
This locality presents a better opportunity
for the scientific study of farming by irrigation
than exists anywhere else in the world. Here all
land values depend directly on ability to obtain a
water supply. So precious is the water and so
abundant are the rewards that follow its application
to the soil that the most careful consideration is
given to the various sources of supply and distribution.
As land becomes scarcer and the cost
of living greater on account of the increase in population,
men are turning more and more to irrigation to solve
the problem of food supply.
As showing what may be accomplished
by irrigation, the report of the last census says:
“The construction of large irrigation works on
the Platte, Yellowstone and Arkansas Rivers would
render fertile an area equal to that of some eastern
states. Engineers are grappling with the great
problems of conserving the flood waters of these streams,
which now are wasted and help to increase the destructive
floods of the Mississippi. The solving of these
problems will change a vast area of country, now practically
worthless, into valuable farms.”
The “Great Bend” country,
drained by the Columbia River, contains several million
acres of land which only requires water to make it
of great agricultural value.
The Gila River basin contains more
than 10,000,000 acres of fertile land, capable of
producing immense crops if irrigated, but without
irrigation it is a desert land where only sage-brush
and cactus flourish.
From arid lands capable of producing
excellent crops but lacking in the magical element
of water, we pass to the consideration of lands where
the richest of soils are shut off from productiveness
because they are covered with water. On the lower
Mississippi the soil is richer than in any other part
of the United States, but much of it is overflowed
so frequently that it is unfit for cultivation.
Dykes and levees have reclaimed thousands of acres
of such overflow land. Many states control large
marshy sections that have been or may be reclaimed.
In southern Florida lie the Everglades,
a vast country which has been worse than valueless;
a malarial region abounding in alligators, rattlesnakes,
scorpions and other dangerous animals and insects.
The state of Florida has undertaken the work of draining
this great swamp, and when the task is completed,
Florida will have added to its resources 3,000,000
acres of the richest soil for the raising of winter
vegetables and fruits.
Florida is engaged in another great
project the digging of an inside passage
connecting its inland tidal waters by a canal system
which will open to navigation a continuous inland
waterway six hundred miles in length. In digging
these canals through the marshes bordering the coast,
thousands of acres of exceedingly fertile land have
been reclaimed and are now producing valuable crops.
The Kankakee marshes in Indiana have
been drained, adding many thousands of acres of rich
soil to the agricultural area of the state.
In all, about 80,000,000 acres are
so wet that they must be drained in order to make
them produce good farm crops, but which, while now
covered only with marsh grass or undergrowth, is capable
of being made the most fertile of all land.
This swamp land is ten times the area
of Holland, which supports a population of 5,000,000
people. It is therefore easy to see how greatly
we may add to our productive territory and our national
wealth by reclamation through drainage.
We now come to the use of water as
power; and although in the last fifty years this subject
has received little attention, as manufacturing increases
and as fuel decreases and becomes higher, the value
of water becomes more evident, and water-power sites
are being eagerly sought.
Our age may come to be known in the
future as the age of power, because through the application
of mechanical power man has gained such marvelous
control over the world about him. Wind and water
led in the production of power until about 1870, since
which time they have scarcely increased at all, the
greater advantages of steam and electricity having
driven them out.
As long as all factories had to be
built by the side of streams having suitable water-power,
the number and size of factories were always extremely
limited. With the introduction of steam it became
possible to build factories at mines, in forests,
in fruit or grain regions, wherever the supply of
raw material was plentiful, and to multiply factories
of all kinds in cities near the markets for their product,
or where labor was cheap and abundant. But power
could only be used where it was developed, and the
size of the power plant depended on the amount of
business done by each individual user.
Now a new era of power has again enlarged
the possibilities of manufacturing. By means
of electricity the work, not only of factories, but
also of the home and the farm may be done in any place
where electricity can be installed. We must bear
in mind that electricity is never a source of power,
but is only the agent that carries power to the user.
The source of all electric power is either steam or
water, produced by water-wheels, turbines, steam-engines
or gas-engines. The economical way to furnish
electric power is to establish central power plants,
and electricity may be conveyed from them for many
miles. An electric railway, telegraph, or telephone
system many miles in length is operated from a single
power plant. Electric light and power are transmitted
all over the largest cities. It is no longer necessary
that a factory be of any specified size nor that it
have any waste power. If it be within reach of
the electrical current it may use as much or as little
as is needed.
The cheapness of electric power must
always depend on nearness to the source of supply
or to the market. Until a short time ago it was
customary to locate electric power-houses near the
market, that is, in cities. But the benefits
to be derived from having the electric plant near
the source of power, so that the cost of production
is greatly lessened, are becoming better recognized.
This will make water-power increasingly valuable.
It is even now practicable to develop
water-power, wherever located, for the production
of electricity. Although the lowest grade coals
are used for electric power at the mines yet they
can now be used for still other purposes. Coal
or other fuel once used can not be replaced, but when
electricity is derived from water-power only energy
otherwise wasted is used. This energy, if derived
from water-power, is all added to our assets instead
of being lost.
For many years the amount of power
used for manufacturing and other purposes has doubled
about once in ten years, and the steady pace kept
by different lines of development shows how closely
they are related. Our power, our forest cut,
the use of our iron and other minerals, our coal and
petroleum, the railroad earnings, freight and passenger
traffic, and our agricultural products all double themselves
every ten years. This means that in ten years
we shall require twice as much power as now, but will
have far less coal to use. This raises the question, have
we available water-power to conserve our coal supply?
Let us see. It is estimated that we are now using
26,000,000 horse-power of energy derived from steam,
3,000,000 horse-power derived from water, and 800,000
from gas or oil, a total of 29,800,000 horse-power.
It is also estimated that there is now running idly
over dams, falls, and rapids 30,000,000 horse-power
of energy. In other words, we are wasting every
day enough water to run every factory and mill, and
to turn every wheel, to move every electric car and
to supply every electric light or power-station in
the country.
The amount of water-power is gauged
solely by the low-water stage of the stream.
A river is considered to produce only as much power
as it can furnish at its season of lowest water.
At other times factories may be operated more actively,
but usually most of the extra power is wasted during
a large part of the year.
If these storm or flood waters can
be stored in reservoirs, the stream-flow throughout
the year can be made fairly uniform and the power
possibilities greatly increased. The Geological
Survey believes that by storing the flood waters and
regulating the flow of the streams, the large rivers
of the United States may be made to furnish 150,000,000
horse-power, enough, if it could be utilized, to supply
every power need of our country for many years to
come without using a ton of our coal, and without
in any way decreasing the water.
Of course this can never be practicable.
Much power will always be needed where no stream for
power is available. But the lesson is plain that
where water can be used it should be, both in order
to save the coal and because it can be produced more
cheaply. The 30,000,000 horse-power now available,
if produced in our most modern electric plants, would
require the burning of nearly 225,000,000 tons of coal,
and if in the average plant run by steam-engines, more
than 650,000,000 tons of coal, which is fifty per
cent. more than all the coal that is now produced
in this country. At three dollars per ton it would
cost $2,000,000,000 a year to supply the coal to furnish
the power that we might have, one might almost say,
as a by-product from the improving of the rivers for
navigation. The development of the water-power
possibilities of the country is now going forward at
a rapid rate, however.
Dams on the Susquehanna River will
soon make 30,000 horse-power available, which could
be increased to 200,000 by building storage reservoirs.
A dam just begun at the rapids of
the Mississippi River at Keokuk, Iowa, will, when
completed, furnish 200,000 horse-power. Niagara
is producing 56,000 horse-power on the United States
side. The Muscle Shoals Falls rapids in the Tennessee
River is furnishing 188,000 horse-power. Illinois
will greatly increase its possibilities for offering
cheap power to factories, when the Lakes to Gulf Canal
with 173,000,000 horse-power worth $12,750,000 yearly,
and the Chicago Drainage or Sanitary Canal, which
has nearly 60,000 horse-power, are complete. Both
of these projects were undertaken by the state.
In California 250,000 horse-power
is now in operation, and 5,000,000 horse-power might
easily be developed in that state alone, which at the
price of coal would be worth a billion dollars a year.
New England has the oldest system
of water-power control, because before the era of
steam it was the chief manufacturing region of the
country. The Merrimac, flowing through New Hampshire
and Massachusetts, is the most carefully conserved
river in the world, and Governor Dingley of Maine
said that the water-power of Maine is equal to the
working energy of 13,000,000 men.
The money value is counted at twenty
dollars a year per horse power, but it frequently
brings as high as one hundred or even one hundred and
fifty dollars a year in a good manufacturing region,
so that the value of our water-power facilities can
hardly be computed.
An ideal picture of the harmonious
development of our water resources for all purposes
is one that is not too difficult to realize. It
is the ideal that should be always before us in the
improvement of our waterways, and we should bear in
mind that although the expense will be heavy, it will
not cost more than one-tenth as much to improve all
the important waterways as to equip the railways to
carry the traffic they will be called on to carry
in the next ten years; and also that in the past,
for every dollar that has been spent on waterways,
almost twenty-five dollars has been spent on railways.
The railways are a great and important part of our
national development, but the waterways should not
be neglected. Rather, the two should be so harmonized
and adjusted as to make one great commercial system
that will furnish cheap and abundant transportation
for all our commerce.
The most complete plan for conserving
our waters is as follows: First, build storage
reservoirs along the upper stretches of the river to
hold the overflow waters of the flood season which
are to be turned into the main channel when the water
becomes too low for ordinary navigation.
These storage reservoirs should be
on the lowest grade of land, that which would be least
productive. The reservoirs should be well stocked
with the best varieties of fish to make them profitable.
The banks should be planted with forest trees and
made as attractive as they can be made to form public
parks and pleasure grounds for the people, where boating,
fishing and bathing may be enjoyed.
The next point is to remove all obstructions
from the river, to canalize it at shallow places or
rapids, so that the whole river will be navigable,
and, if necessary, to deepen the channel so that it
will carry large vessels between two important points.
Dams should be built to take advantage
of every opportunity for water-power. One of
the worst mistakes in the past has been the failure
to use the power that might have been developed in
improving the streams for navigation.
Rivers should be made profitable still
further by stocking with fish and should be kept clear
of factory refuse and sewage. Soil-wash should
be lessened by planting trees and shrubs along the
banks; and where overflow or erosion lowers the value
of the land or repeatedly ruins the crops, dykes and
levees should be built.
The rivers most important commercially
should be improved first. Canals should be cut
between waterways where large benefits will result;
overflow and swamp land should be drained, and in arid
regions every particle of water conserved for irrigation
purposes.
The irrigation canals may also be
used to supply water-power, and the canals may be
used as are other canals for towing barges. If
electric power is produced, electric towing is cheap
and very desirable as a means of transportation.
In short, our water supply should
be as carefully used and with as little waste as the
land of forests. The most important improvements
needed are, a Lakes to Gulf Waterway that shall be
safe and practicable at least for vessels of moderate
size; the improvement of the Ohio, Missouri, Tennessee
and Upper Mississippi Rivers; an inner coast passage
from New England to Florida, and in navigable rivers
dredging and deepening if necessary, to make many
outlets to the sea which will afford cheap transportation.
In the West, the Columbia, San Joaquin
and Sacramento Rivers with their branches should be
made navigable. Many western rivers have been
almost ruined by filling with rocks in hydraulic mining,
but this is now prohibited by law and if the channels
were cleared they would again become navigable.
Appropriations for much of this work
have already been made by Congress, but the work is
not systematically planned. The cost of all of
it would be about sixty-two and a half cents a year
for each man, woman and child in the country and every
one would receive some benefit.
The National Conservation Commission
on Waterways found that the average family pays for
transportation or freight on all its food and clothing
and the necessities of life, nearly or quite one-third
their actual cost. “It is estimated that
the direct benefits would be a yearly saving in freight
handling of $250,000,000, a yearly saving in flood
damage of $150,000,000, a saving in forest fires of
at least $25,000,000, a benefit through cheapened
power of fully $75,000,000 and a yearly saving in
farm production of $500,000,000; a total of $1,000,000,000,
or twelve dollars and fifty cents for each person twenty
times the cost! And this does not take into account
the benefits from irrigation, drainage, and the lessening
of disease by a pure water supply.”