Boundaries, areas, geographic centers and altitudes of the United States and the several states, with a brief record of important changes in their territory - Douglas, Edward Morehouse, 1855-1932. (Washington, Govt. print. off., 1923)
At head of title: Department of the interior.
Two maps folded in pocket.
Biographical references.
Keywords: Physical geography -- United States; United States -- Altitudes; United States -- Boundaries