River basins of the United States
Subtitle: the Colorado
By: United States, Dept. of the Interior, Geological Survey.
Publisher: Dept. of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1972
Place of publication: [Washington]
Language: eng
Subjects: Watersheds -- United States -- Colorado River.; Land use -- United States.