Title: Surveys and mapping in the United States : joint letter of the Secretary of War, the Secretary of Commerce, and the Secretary of the Interior, transmitting in response to Senate resolution no. 87, a report concerning additional surveys and mapping in the United States.
Authors: United States.; United States.; United States.; United States.
Publisher: U.S. G.P.O.,
Year: 1939
Subjects: Surveying United States.; Cartography United States.