Silver concentrations and selected hydrologic data in the Upper Colorado River Basin, 1991-92
By: by David A. Johncox ; prepared in cooperation with the Colorado River Water Conservation District and the Northern Colorado Water Conservancy District
Contributors: Geological Survey (U.S.); Colorado River Water Conservation District; Northern Colorado Water Conservancy District
Series: U.S. Geological Survey open-file report -- 93-447
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Earth Science Information Center, Open-File Reports Section [distributor]
Published: 1993
Place of publication: Denver, Colo
Language: eng
Format: Microform
Number of pages: 13
Subjects: Silver -- Colorado River Watershed (Colo.-Mexico); Trace elements in water -- Colorado River Watershed (Colo.-Mexico); Water quality -- Colorado River Watershed (Colo.-Mexico)
Notes: Distributed to depository libraries in microfiche

Shipping list no.: 94-0789-M

Includes bibliographical references (p. 7)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1994] 1 microfiche : negative