TY - RPRT TI - Geology and ground-water resources of south-central Nebraska, with special reference to the Platte River Valley between Chapman and Gothenburg AU - Alvin Leonard Lugn AU - Leland Keith Wenzel PY - 1938 DO - 10.3133/wsp779 UR - https://pubs.usgs.gov/publication/wsp779 ID - wsp779 ER -