Annual Reports of the War Department

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U.S. Government Printing Office, 1870
 

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Page 242 - Very respectfully, your obedient servant, AA HUMPHREYS, Brigadier General and Chief of Engineers.
Page 251 - That if any bridge built under this act shall be constructed as a draw-bridge, the same shall be constructed as a pivot drawbridge with a draw over the main channel of the river at an accessible and navigable point, and with spans of not less than one hundred and sixty feet in length in the clear on each side of the central or pivot pier of the draw...
Page 28 - Stewart, Corps of Engineers. — This is one of the principal works for the defense of the entrance to the harbor of San Francisco through the Golden Gate, the approaches to this entrance, and the inner waters of this passage. It is situated on the southern side of the channel, and consists essentially of a large casemated work and extensive exterior earthen barbette-batteries for the largest guns and mortars. The casemated part of the work has been completed for some years, and the barbette-batteries...
Page 354 - It has generally been assumed that the formation underlying the Mississippi bottom was exclusively of alluvial character. (See Lyell's Principles of Geology, tenth edition, eh.
Page 15 - Kennebec River to the rich valley of this river, the cities of Bath and Augusta, and the United States arsenal at the latter place. The...
Page 23 - Craighill, Corps of Engineers. — It has not. yet been found practicable to make the desired experiments upon these obstructions. The material has been kept in store at Fort Foote. Fort Foote, Potomac River, Maryland, in charge of Major N.
Page 186 - ... work had been laid, making 950 feet in all, of which 400 were covered by superstructure. This was the condition of the work at the close of the fiscal year ending June 30, 1870. The construction of the breakwater had been carried on by Messrs. Bailey & Denny by contract until their contracts expired, and afterward by a special agreement to continue the work under the $90,000 allotted from the general appropriation of 1869.
Page 251 - ... above extreme high-water mark, measuring to the bottom chord of the bridge, and the piers of said bridge shall be parallel with the current of the river...
Page 437 - GENERAL: I have the honor to transmit the following report of the operations at the Hell Gate improvement for the fiscal year ending June 30, 1870: At the beginning of the year the following contracts for removal of rocks in He'N Gate were in progress: Mr. Sidney F. Shelbourne, for removal of "Frying Pan" and "Pot Kock;
Page 15 - Island, from which to bombard Portland or shell the shipping in the harbor. It is important to the safety of the city and harbor that works of defense exterior to the existing forts shall be provided, and an appropriation for the commencement, next year, of this battery is urged.

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