Ellis, M. J., & Hiergesell, R. A. (1985). Evaluation of surface geophysical methods for collection of hydrogeologic data in the Nebraska Sand Hills region. United States Geological Survey.
Chicago Style (17th ed.) CitationEllis, M. J., and Robert A. Hiergesell. Evaluation of Surface Geophysical Methods for Collection of Hydrogeologic Data in the Nebraska Sand Hills Region. Lincoln, Nebraska: United States Geological Survey, 1985.
MLA (9th ed.) CitationEllis, M. J., and Robert A. Hiergesell. Evaluation of Surface Geophysical Methods for Collection of Hydrogeologic Data in the Nebraska Sand Hills Region. United States Geological Survey, 1985.
Warning: These citations may not always be 100% accurate.