1 map : col. ; 55 x 71 cm, folded in cover 14 x 9 cmRelief shown by hachures."Entered according to Act of Congress, in the year 1862, by C.O. Perrine ..."Prime meridians: Greenwich and New York.Inset: Southern part of Florida.JPEGG 3700 1862 .P45800356971039015091195126engPublicPerrine's New military map illustrating the seat of warMapsUnited States1862University of Michigan