The Online Books Page

Books by Donald E. Schild:

Books in the extended shelves:

• Schild, Donald E.: Predevelopment through nonirrigation season 1988-89 (U.S. Geological Survey ;, 1990), also by Jack T. Dugan, William M. Kastner, and Geological Survey (U.S.) (page images at HathiTrust)
• Schild, Donald E.: Water-level changes in the High Plains aquifer--predevelopment to 1990 (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1992), also by Jack T. Dugan and Geological Survey (U.S.) (page images at HathiTrust)
• Schild, Donald E.: Water-level changes in the High Plains Aquifer underlying parts of South Dakota, Wyoming, Nebraska, Colorado, Kansas, New Mexico, Oklahoma, and Texas : predevelopment through nonirrigation season 1987-88 (Dept. of the Interior, U.S. Geological Survey :, 1989), also by William M. Kastner, Debra S. Spahr, and Geological Survey (U.S.) (page images at HathiTrust)

Find more by Donald E. Schild at your library, or elsewhere.