Hydrogeologic framework and estimates of ground-water volumes in Tertiary and Upper Cretaceous hydrogeologic units in the Powder River Basin, Wyoming [electronic resource] / by Kurt Hinaman ; prepared in cooperation with the Bureau of Land Management.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005.
Mode of access: Internet at the USGS web site. Address as of 9/15/08: http://pubs.usgs.gov/sir/2005/5008/pdf/sir20055008.pdf ; current access is available via PURL.
Note
Title from PDF title screen (viewed on Aug. 4, 2005).