by Daniel G. Driscoll ... [and others] ; prepared in cooperation with the South Dakota Department of Environment and Natural Resources and the West Dakota Water Development District
by Jo Leslie Eimers ... [and others] ; prepared in cooperation with the Public Water Supply Section of the Division of Environmental Health, North Carolina Department of Environment and Natural Resources
National Outdoor Action Conference and Exposition on Aquifer Remediation, Ground Water Monitoring, and Geophysical Methods (9th : 1995 : Las Vegas, Nev.)
by Kathleen A. McCarthy ... [and others] ; prepared in cooperation with the U.S. Army Environmental Center, U.S. Army Alaska, U.S. Army Corps of Engineers, Alaska District