by U.S. Dept. of the Interior, U.S. Geological Survey, Information Services [distributor] in Denver, Colo .
Written in English
|Statement||by Roderick F. Ortiz ; prepared in cooperation with the U.S. Environmental Protection Agency and the Colorado Department of Public Health and Environment|
|Series||Water-resources investigations report -- 01-4167|
|Contributions||United States. Environmental Protection Agency, Colorado. Dept. of Public Health and Environment, Geological Survey (U.S.)|
|The Physical Object|
|Pagination||iv, 35 p. :|
|Number of Pages||35|