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 Tortugas or search for Tortugas 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 7: sea-coast defences..—Brief description of our maritime fortifications, with an Examination of the several Contests that have taken place between ships and forts, including the attack on San Juan d'ulloa, and on St. Jean d'acre (search)
rry some two hundred guns. They are one-half constructed. Georgia. The defences of Savannah carry about two hundred guns, and are nearly three-quarters finished. Florida. The works projected for the defence of St. Augustine, Key West, Tortugas, and Pensacola will carry some eight or nine hundred guns. Those at St. Augustine and Pensacola are essentially completed, but those at Key West and Tortugas are barely begun. Alabama. The works for the defence of Mobile will carry about oTortugas are barely begun. Alabama. The works for the defence of Mobile will carry about one hundred and sixty guns. These are nearly constructed. Louisiana. The works for the defence of New Orleans will carry some two hundred and fifty or three hundred guns; they are nearly completed. The works north of the Chesapeake cost about three thousand dollars per gun; those south of that point about six thousand dollars per gun. This difference in cost is due in part to the character of the soil on which the fortifications are built, and in part to the high prices paid in the south