Department of the Interior, U.S. Geological Survey ; by Ronald C. Johnson ; prepared in cooperation with the Utah Geological and Mineral Survey and the Colorado Geological Survey
Date
1989
Series
Miscellaneous investigations series (Geological Survey (U.S.)) ; I-1974
Ronald C. Johnson ... [and others] ; prepared in cooperation with the U.S. Department of Energy, Federal Energy Technology Center, Morgantown, West Virginia
Date
[1999]
Series
U.S. Geological Survey open-file report ; 99-315 A