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The flood river and the low river cannot be brought into register, and compelled to unite in the excavation of a single permanent channel, without a complete control of all the stages; and even the abnormal rise must be provided against, because this would endanger the levee, and once in force behind the works of revetment would tear them also away.
He insists on my going round the French trenches and sent a capitaine de la Fontaine along with me. Until to-day I had quite failed to grasp the extent of the ground we had gained. But we want a lot more before we can begin to feel safe. The French trenches are not as good as ours by a long chalk, and bullets keep coming through the joints of the badly built sandbag revetment.
I gained the inside without difficulty the gate having been carelessly left unfastened and at once found myself in a semicircular court-yard formed by the gun platform of the battery and the sod revetment which surrounded it.
Any one who has been on the Rhine will have observed operations not unlike those to which we have just referred; and, indeed, most of the rivers of Europe flowing among their own alluvia have required similar treatment in the interest of navigation and agriculture. The levee is the crowning work of bank revetment, although not necessarily in immediate connection.
Any one who has been on the Rhine will have observed operations not unlike those to which we have just referred; and, indeed, most of the rivers of Europe flowing among their own alluvia have required similar treatment in the interest of navigation and agriculture. The levee is the crowning work of bank revetment, although not necessarily in immediate connection.
The actual experience with levees upon the Mississippi River, with no attempt to hold the banks, has been favorable, and no one can doubt, upon the evidence furnished in the reports of the commission, that if the earliest levees had been accompanied by revetment of banks, and made complete, we should have to-day a river navigable at low water, and an adjacent country safe from inundation.
To the surprise of the sentry he walked deliberately over to the fence, climbed it and presently began poking about the wooden curb that ran along the road, making a low revetment or retaining wall for the earth, cinders and gravel that, distributed over the sand, had been hopefully designated a sidewalk by the owners of the tract.
Other men toiling in unending procession wheeled and slung sandbags upon the revetment; others stirred crackling watchfires that leaped high into the rain, and over all played the incessant lightning and the angry thunder and the flying night. She shut from her eyes the strangely moving sight, returned to her compartment, closed her door and lay down.
Sloping revetment walls of unbaked bricks covered the banks, and the crests were lined many files deep by hundreds of thousands of Egyptians, whose white or brightly striped costumes fluttered in the sun with that constant motion characteristic of a multitude even when it seems to be motionless.
We want to cast a cannon nine feet in diameter, six feet thick, and with a stone revetment nineteen and a half feet thick; we therefore want a well 60 feet wide and 900 feet deep. This large work must be terminated in nine months. You have, therefore, 2,543,400 cubic feet of soil to dig out in 255 days that is to say, 10,000 cubic feet a day.
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