The Online Books Page

Books by Warren E. Hofstra:

Books in the extended shelves:

• Hofstra, Warren E.: Availability of water for artificial recharge, Plains Ground Water Management District, Colorado (U.S. Geological Survey, 1970), also by Clifford Thaine Jenkins and Geological Survey (U.S.). Water Resources Division (page images at HathiTrust)
• Hofstra, Warren E.: Digital ground-water model of the Ogallala aquifer in parts of Cheyenne and Kiowa counties, northern high plains of Colorado (Colorado Water Conservation Board, 1977), also by Glenn W. Kapple, Richard R. Luckey, Colorado Water Conservation Board, and Geological Survey (U.S.) (page images at HathiTrust)
• Hofstra, Warren E.: Digital ground-water model of the Ogallala Aquifer in parts of Washington and Yuma Counties, northern High Plains of Colorado (Colorado Water Conservation Board, 1976), also by G. W. Kapple, Richard R. Luckey, and Colorado Water Conservation Board (page images at HathiTrust)
• Hofstra, Warren E.: Digital model of the hydrologic system, northern high plains of Colorado : a preliminary report (Colorado Water Conservation Board, 1973), also by Richard R. Luckey, Colorado. Office of the State Engineer, Colorado Water Conservation Board, and Geological Survey (U.S.) (page images at HathiTrust)
• Hofstra, Warren E.: Digital model of the Ogallala aquifer of the northern part of the northern high plains of Colorado / by Richard R. Luckey and Warren E. Hofstra. (Colorado Water Conservation Board, 1974), also by Richard R. Luckey, Colorado Water Conservation Board, and Geological Survey (U.S.) (page images at HathiTrust)
• Hofstra, Warren E.: Geologic control of supply and quality of water in the mountainous part of Jefferson County, Colorado (Colorado Geological Survey, Dept. of Natural Resources, State of Colorado, 1975), also by Dennis C. Hall, Jefferson County (Colo.), Colorado Geological Survey, and Geological Survey (U.S.) (page images at HathiTrust)
• Hofstra, Warren E.: Hydrogeologic and water-quality data in western Jefferson County, Colorado (Colorado Dept. of Natural Resources, 1975), also by Dennis C. Hall and Geological Survey (U.S.) (page images at HathiTrust)
• Hofstra, Warren E.: Water-level records, 1969-73, and hydrogeologic data for the northern High Plains of Colorado (Colorado Water Conservation Board, 1973), also by Richard R. Luckey and Geological Survey (U.S.) (page images at HathiTrust)

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