This interesting Civil War period map presents a full view of the United States with seven Military Departments delineated. It shows scores of military posts largely west of the Mississippi and, particularly, in Texas and the Southwest. Nine insets of southern harbor towns are arranged to the right and bottom: Baltimore, Washington, Norfolk, Charleston, Savannah, Key West, Pensacola, Mobile and New Orleans. This map was only included in the Johnson's atlases published by Johnson and Browning in the early years of the Civil War. It was replaced by a map of the same title that shows the territorial boundaries instead of military departments.

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Condition: B+

There is minor foxing, faint offsetting, and a short centerfold separation and related tiny tear at bottom that has been partially closed on verso. Minor toning and soiling is confined to the blank margins.