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.P.S. Duval & Son1861Description derived from published bibliography.Insets: Pensacola & Perdido Bays. 8 x 16 cm.-Key West. 5 x 11 cm.MMap includes state capitals and principal towns, drainage, geographic coordinates, and names and boundaries of the states and territories.cartographic