Military Map Of The United States & Territories Showing The Location of the Military Posts, Arsenals, Navy Yards, & Ports of Entry. Compiled from Pub - Doc - 1861. Published by P.S. Duval & Son. Nos. 22&24 South 5th St. Philada. Entered ... 1861 by P.S. Duval & Son ... Penna. (inset) Pensacola & Perdido Bays. (untitled inset map of Key West).