Report of the Chief of Engineers U.S. Army, Part 1U.S. Government Printing Office, 1874 Includes the Report of the Mississippi River Commission, 1881-19 . |
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Page 407
... wickets . The dam is thrown down by means of a long iron bar laid on top of the masonry - base , extending from one shore to the other , and armed with projections or shoulders . By moving this rod a few feet , which is done from the ...
... wickets . The dam is thrown down by means of a long iron bar laid on top of the masonry - base , extending from one shore to the other , and armed with projections or shoulders . By moving this rod a few feet , which is done from the ...
Page 408
... wickets from which they are raised . This is probably the better method , but in a wide river it would probably cause some delay in getting the wickets up , unless a considerable force of laborers were kept on hand to expedite ...
... wickets from which they are raised . This is probably the better method , but in a wide river it would probably cause some delay in getting the wickets up , unless a considerable force of laborers were kept on hand to expedite ...
Page 417
... wickets . After discussing generally the uses of movable dams and their impor- tance , Hagen proceeds to enumerate the different plans that have been suggested , prefacing it with the remark that no one seems yet to furnish a full ...
... wickets . After discussing generally the uses of movable dams and their impor- tance , Hagen proceeds to enumerate the different plans that have been suggested , prefacing it with the remark that no one seems yet to furnish a full ...
Page 418
... wickets , consisting of a double layer of planks , are 2 feet 3 inches high . They extend into the abutments , where they turn in recesses whose edges support the wickets and diminish the leakage , besides preventing the wicket from ...
... wickets , consisting of a double layer of planks , are 2 feet 3 inches high . They extend into the abutments , where they turn in recesses whose edges support the wickets and diminish the leakage , besides preventing the wicket from ...
Page 422
... wickets are down . From this it is easily seen how the stage of water regulates itself , and prevents a flow over the top of the needle - dam . If it is desired to raise the shutters after the 422 REPORT OF THE CHIEF OF ENGINEERS .
... wickets are down . From this it is easily seen how the stage of water regulates itself , and prevents a flow over the top of the needle - dam . If it is desired to raise the shutters after the 422 REPORT OF THE CHIEF OF ENGINEERS .
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Common terms and phrases
act approved June Amount appropriated Amount available July Amount expended Amount in hands Amount required Appendix appropriated by act approved June 23 Balance in Treasury Bayou board of engineers board-measure boats breakwater bridge built canal cents channel charge Cheat River Chief of Engineers commenced completed construction contract Corps of Engineers cost Crabtree Creek cribs cubic feet cubic yards Deep Creek depth Detroit River dike distance dredging ending June 30 estimate excavation feet wide fiscal year ending foot hands of officer harbor height improvement inches Island Lake length levee low water low-water lower masonry miles Mississippi River mouth navigation north pier obstruction officer and subject Ohio Ohio River pass proposed railroad removed repairs riprap rock route sand Savage River season Shoals steamers stone summit-level superstructure survey tion tons Total Treasury of United trestles tunnel United States July upper vessels weir west pier wickets width Yonne Youghiogheny
Popular passages
Page 502 - An Act to procure the necessary surveys, plans, and estimates upon the subject of roads and canals." It authorized the President to cause surveys and estimates to be made of the routes of such roads and canals...
Page 71 - An act making appropriations for the repair, preservation, and completion of certain public works heretofore commenced under the authority of law...
Page 583 - Act shall be built and located under and subject i.uui, etc. to such regulations for the security of navigation of said river as the Secretary of War shall prescribe...
Page 643 - In the district in which such structure may, in whole or in part, exist, and proper proceedings to this end may be instituted under the direction of the AttorneyGeneral of the United States at the request of the Secretary of War ; and in case of any litigation arising from any obstruction or alleged obstruction to navigation created by the construction of any bridge under this Act.
Page 643 - ... feet above extreme high water mark, as understood at the point of location, to the bottom chord of the bridge, nor shall the spans of said bridge be less than two hundred and fifty feet in length, and the piers of said bridge shall be parallel with the current of said river...
Page 80 - The first work was done in 1874, when $5,000 was expended in building a dike and dredging to a width of 25 feet and a depth of 6 feet at mean low water in front of it and for about 300 feet below. Two years later the channel was made 40 feet wide from the bridge at Elkton to about...
Page 644 - That the right to alter or amend this act, so as to prevent or remove all material obstructions to the navigation of said river by the future construction of bridges, is hereby expressly reserved...
Page 324 - IMPROVEMENT OF THE MISSISSIPPI RIVER BETWEEN THE MOUTHS OF THE ILLINOIS AND OHIO RIVERS.
Page 638 - to examine the construction of the St. Louis and Illinois Bridge across the Mississippi river at St. Louis, and report whether the Bridge will prove a serious obstruction to the navigation of the river; and, if so, in what manner its construction can be modified.