Colorado River management plan, Grand Canyon National Park, Arizona
By: prepared by Grand Canyon National Park, National Park Service, U.S. Department of the Interior
Contributors: United States. National Park Service; Grand Canyon National Park
Publisher: The Park
Published: 1979
Place of publication: [Grand Canyon, Ariz.?]
Language: eng
Number of pages: 55
Subjects: Grand Canyon National Park (Ariz.); Colorado River (Colo.-Mexico)