W. E. WATT.

Americans like to boast of the things of this country that are larger,

longer, more valuable, or more wonderful than anything of the kind in

the world. They have recited in school such a number of statements

about the Mississippi river that the great stream has become one of the

essential points of our nation's honor.

You may be able to make the average man believe that Washington was not

always as truthful in his youth as Weems in the cherry-tree story tried

to make him; that Captain John Smith drew somewhat on his imagination

when some sixteen years after the expedition into the woods he told the

story of his rescue by Pocahontas; that perhaps, after all, we did not

whip the entire British nation twice in open warfare--but it will be

hard to make any native-born American admit that the Mississippi river

is not the longest in the world.

He may listen to your argument in favor of the Nile or the Amazon, but

he will tell you that he still thinks that if the Mississippi had been

measured correctly at first, taking the source of the Missouri as the

source of the Mississippi, we would have been the possessors of the

longest river on earth.

And if that should seem a trifle weak he will at once tell you that

the great river is more wonderful than all others because its source

is several hundred feet nearer the center of the earth than its mouth.

In other words, the river flows up hill. The curvature of the earth

is not the true arc of a circle from the equator to the poles, for

the axis of the earth is shorter than its diameter at the equator by

about twenty-six miles. It is thirteen miles less from the north pole

to the center of the earth than from any point on the equator to the

center. So the river flows towards the equator with an apparent fall as

estimated from the sea-level, but with an actual rising away from the

earth's center just as the sea rises round this shoulder of the earth.

So the Mississippi is a source of joy and boastful conversation to

every citizen of the United States.

The Acadian settlers of Nova Scotia whose praises have been sung by

Longfellow in his "Evangeline", were the earliest to reclaim land from

the sea in America. Being weaker than those who used the ax to fell the

giants of the forest primeval, they were more skillful with the spade.

They took advantage of the extremely high tides of the Bay of Fundy and

its branches, and when the water was low threw up embankments which

prevented the sea from covering part of the rich red mud flats before

the village of Grand Pre.

At the time of their painful dispersion they had secured all the land

between the original shore and the island which stood out in the basin

of Minas.

Though they could not take these rich lands with them in their exile,

many of them carried the knowledge of dike-building down to the lower

courses of the Mississippi, and taught the rest of the Americans there

how to get the fat lands of the river bottoms by means of levees.

When General Pakenham gave up his life and lost a fine British army to

General Jackson after the treaty of peace had been signed in the War of

1812, his right rested on the bank of the Mississippi where there was a

levee a little over five feet high.

This levee cut off the waters from spreading when the freshet was on.

It was sufficient at that time. Extensions of levee work cut off more

and more of the bottom-lands from the spread of the high waters till

now nearly four-fifths of the area over which the waters of the June

freshet used to spread are protected by these structures.

The levees are not now the low banks of earth which once kept the

waters back. The great mass of water that comes from the melting of

snows in the Alleghenies and the Rockies must either spread out or pile

up. Confining within less than a mile of width a surplus of water that

formerly spread itself for a hundred miles makes it necessary for the

water to rise and rush forward with greater violence.

Year by year the levees have crept up the sides of the great river,

choking it into narrow walls. Year after year it has risen in its wrath

and burst its bounds to destroy the cities and plantations which have

been fattening in the mud of its alluvial flats. Every year the levees

are put up higher, and as the works extend to the northward and more

effectually close up the southern places of spreading out there is an

average increase in the stage of high water and in velocity of the

current. When it was allowed to wander over great stretches of country

the water seemed in no hurry to get to the gulf, but now it goes

tearing madly through its narrowed banks, and it has become a question

with Congress which will take much deliberation and experiment as well

as great financial outlay to solve.

It has been proposed that great reservoirs be constructed in the

mountain districts to hold back the waters that are wasted in their

rush to the sea. If there could be made in the Bad Lands in northern

Wyoming a reservoir that would hold all the waters accumulating there

during the months of spring, that reservoir would "skim off" the top of

the Mississippi river two thousand miles away and save the people there

from the perils that threaten them whenever the water mounts toward the

danger-point.

It would require a vast artificial lake to hold these waters, but there

are mountain ranges that could be utilized to form the barriers and the

land taken from profitable grazing could be paid for with much less

expense than the cost of one inundation of Mississippi bottom lands

when a levee breaks.

Instead of one vast reservoir it will probably be found expedient to

lay out a great number of works for retaining the western waters, as

well as others in the eastern mountains and some in the beds of other

tributary rivers whose sources are in the great basin between.

If these stores of water could be utilized for irrigation it is

probable that the works would eventually pay for themselves in the

increase in value of cultivated lands. The water at present is largely

wasted because it rushes past the lands that need it before their

distress of drouth comes, and its bulk is fairly spent when they need

most the water that has passed. Adequate systems of reservoirs would

also prevent largely the wearing away of banks and the changing of the

course of the channel and even of the river itself which now sometimes

tears away the foundations of cities, obliterates landmarks, and

carries off bodily many well-tilled farms. Navigation could be much

improved if the stages of high water could be moderated.

The Kansas farmer complained that the Missouri river is too thick to

drink and too thin to plow. Control of surplus water near the sources

would make this river so moderate that commerce would move along its

surface. Varying moods and shifting sands now prevent navigation on

that great river almost completely.

The Chinese have a problem similar to ours. Their government esteems

their board of public works as one of the highest in their country.

This board has charge of the canals and embankments along the great

rivers. But it is a Chinese board.

The Hoang Ho resembles our great water course in that it rises in

mountains and flows for hundreds of miles through comparatively level

country in its lower courses. It deposits mud along its way through the

great plain so that the people are continually obliged to construct

levees higher and higher until nature no longer will put up with such

treatment and the great yellow river breaks its bonds and travels

across the country to find a new outlet at the seacoast.

In 2500 years it has altered its general course nine times with

terrible destruction of life and property. Its last great breach

occurred in 1887, when it tore through the empire a new channel

that caused its waters to reach the sea through the mouth of the

Yangtse-kiang five hundred miles away from its present mouth. More

than a million lives were lost and the devastation of the country has

never been approximately estimated. The gap torn in its embankment was

two-thirds of a mile in width. Efforts to close it were ineffective

except in low water, and when it was at last almost accomplished the

celestials had a narrow but constantly deepening breach to mend, its

depth during the last days of the work being so great that a torrent

sixty feet deep fought with gigantic might against the endeavors of the

men. At times the bed of this river has actually stood above the level

of the surrounding country, its walls having risen with the rise of

the bed due to the deposit of mud till it seemed as if the great river

had risen to take a look over the surrounding plain to see where it

could wreak the direst vengeance on those who prevented it from running

unvexed to the sea.

We may learn from the wide experience of the Chinese that there is

no safety for us in merely building higher the walls to restrain the

Mississippi. The nation must take hold of the matter with a strong

hand. Possibly forty or fifty millions will be necessary to construct

the works which will moderate the flow and distribute its waters to

those who need it in their irrigating ditches. Even though it cost

thrice the sum paid to Spain in settlement of the Philippine question,

the people would more gladly give it.

Nothing short of a great ship canal along the bed of the Mississippi

will satisfy Americans. There is but one objection to the work, and

that is its great expense. But we have recently seen that the cost of

one great inundation along the Brazos was far more than the figures

here named, and no account need be made of the loss of life and the

suffering that followed that great disaster.

Our great river must be controlled. Not in the Chinese fashion, which

we know to be merely the storing of wrath against the day of wrath,

but it must be done intelligently and with patience, with faith in

ourselves and a determination to prevent the great loss of life which

will be imminent every time there happens to be the coming of a flood

from the eastern mountains and another from the western at the same

time.

Our great water way, when properly controlled and protected by

permanent revetments and masonry, will furnish the farmers of the great

plains a natural outlet to the sea for all their produce. This will be

monopolized by no railway trust; no combination of steam-boat men will

put the farmer into the hands of corporations seeking to rob him of the

best part of his crop on the way to market, for there will be docks

along every man's water front, and the rudest flatboat will always rely

upon the favoring current to bear its cargo to the sides of independent

vessels plying the seas to the uttermost parts of the earth.

Birds and All Nature, Vol. 6, No. 4, November 1899 In Natural Colors · 第 31 / 50 题