Debris flows from tributaries of the Colorado River, Grand Canyon National Park, Arizona
Subtitle: executive summary
By: Robert H. Webb ; prepared in cooperation with the U.S. Bureau of Reclamation
Contributors: United States. Bureau of Reclamation; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 87-117
Publisher: Dept. of the Interior, U.S. Geological Survey; Books and Open-File Reports Section
Published: 1987
Place of publication: Tucson, Ariz; Denver, Colo
Language: eng
Format: Microform
Subjects: Sediment transport -- Colorado River Watershed (Colo.-Mexico); Sedimentation and deposition -- Colorado River Watershed (Colo.-Mexico); Grand Canyon National Park (Ariz.)
Notes: Distributed to depository libraries in microfiche

"September 1987."

Bibliography: p. 5, 7

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1987]. 1 microfiche ; 11 x 15 cm