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Harper's Encyclopedia of United States History (ed. Benson Lossing) 330 40 Browse Search
George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 5, 13th edition. 128 0 Browse Search
Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories 124 14 Browse Search
George P. Rowell and Company's American Newspaper Directory, containing accurate lists of all the newspapers and periodicals published in the United States and territories, and the dominion of Canada, and British Colonies of North America., together with a description of the towns and cities in which they are published. (ed. George P. Rowell and company) 80 0 Browse Search
Knight's Mechanical Encyclopedia (ed. Knight) 46 0 Browse Search
George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 4, 15th edition. 38 0 Browse Search
George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition. 26 0 Browse Search
Allan Pinkerton, The spy in the rebellion; being a true history of the spy system of the United States Army during the late rebellion, revealing many secrets of the war hitherto not made public, compiled from official reports prepared for President Lincoln , General McClellan and the Provost-Marshal-General . 24 0 Browse Search
Rebellion Record: a Diary of American Events, Diary from December 17, 1860 - April 30, 1864 (ed. Frank Moore) 21 11 Browse Search
Francis Jackson Garrison, William Lloyd Garrison, 1805-1879; the story of his life told by his children: volume 3 20 0 Browse Search
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Browsing named entities in H. Wager Halleck , A. M. , Lieut. of Engineers, U. S. Army ., Elements of Military Art and Science; or, Course of Instruction in Strategy, Fortification, Tactis of Battles &c., Embracing the Duties of Staff, Infantry, Cavalry, Artillery and Engineers. Adapted to the Use of Volunteers and Militia.. You can also browse the collection for Pittsburgh (Pennsylvania, United States) or search for Pittsburgh (Pennsylvania, United States) in all documents.

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H. Wager Halleck , A. M. , Lieut. of Engineers, U. S. Army ., Elements of Military Art and Science; or, Course of Instruction in Strategy, Fortification, Tactis of Battles &c., Embracing the Duties of Staff, Infantry, Cavalry, Artillery and Engineers. Adapted to the Use of Volunteers and Militia., Chapter 3: Fortifications.Their importance in the defence of States proved by numerous historical examples (search)
ted considerable notice in France, but has long since been discarded, as being utterly incompatible with the principles of the military art. A writer, however, of some pretensions in this country, recommends its adoption for the defence of Baltimore and the shores of the Chesapeake. The same author would dispense entirely with our present system of fortifications on the sea-coast, and substitute in their place wooden Martello towers! This would be very much like building 120 gun ships at Pittsburg and Memphis, for the defence of the Ohio and the Mississippi rivers, and sending out duck-boats to meet the enemy on the Atlantic! In the second system, the works on the extreme frontier are to be placed about thirty or forty miles apart, and those of the second and third lines respectively thirty or forty miles in rear of the first and second lines, and opposite the intervals. In the third system, first recommended by Vauban and more recently by Rogniat, the works are to be arranged
H. Wager Halleck , A. M. , Lieut. of Engineers, U. S. Army ., Elements of Military Art and Science; or, Course of Instruction in Strategy, Fortification, Tactis of Battles &c., Embracing the Duties of Staff, Infantry, Cavalry, Artillery and Engineers. Adapted to the Use of Volunteers and Militia., Chapter 8: our northern frontier defences.—Brief description of the fortifications on the frontier, and an analysis of our northern campaigns. (search)
oney proposed for the other frontier and coast works, expended in establishing military and naval depots at Memphis and Pittsburg, and in the construction of a ship-canal from the lower Illinois to Lake Michigan,--for the purpose of obtaining the na ascend the St. Lawrence to Lake Ontario; that to counteract these operations we must build an opposition steam-navy at Pittsburg and Memphis, and collect our troops on the Ohio and Mississippi, ascend the Mississippi and Illinois, Lake Michigan, Lathe great strategic point on the St. Lawrence by an easy and direct route of two hundred miles; but forces collected at Pittsburg and Memphis must pass over a difficult and unfrequented route of two thousand miles. Our merchant marine on the lakes marine at the very threshold of its introduction into the interior seas; or shall we build opposition steam-navies at Pittsburg and Memphis, some two thousand miles distant, and then expend some forty or fifty millions The construction of the I