Bowen & Co. Map of Charleston Harbor S.C.

American, ca. 1860. View of Charleston Harbor describing water depths. Includes Forts Johnson, Sumter, Moultrie, and Castle Pinckney with lines showing the range of their guns. Text at lower left reads The curves drawn in red represent lines on the bottom of the Harbor at the depths of 6, 12, 18, and 24 feet below mean low water. The part of the Harbor where the water is 18 feet deep is colored with India Ink. The surface always covered with water is colored blue. The surface between high and low water marks is colored with Bistre. Scale 4 inches to 1 mile. Bowen & Co's Lith. Philade. ll. Framed. 19.25 x 25.5 in. (sheet at widest), 23.75 x 30.25 in. (frame).