Relief shown by hachures. Prime meridians: Greenwich and Washington, D.C. Insets: New Orleans and delta of Mississippi, Louisiana -- Mobile Bay, Alabama -- Entrance to Pensacola Bay, Florida -- Key West, Florida -- Savannah River -- Charleston Harbor, S. Carolina -- Hampton Roads and Norfolk Harbor, Virginia -- Washington and vicinity -- Baltimore and vicinity. From Johnson, A. J. Johnson's new illustrated family atlas. New York, 1862. no.20-21.
