TY - RPRT TI - Geohydrologic reconnaissance of the Crofton Unit, northeastern Nebraska AU - S.J. Kent AU - R. A. Engberg AU - M. J. Ellis PY - 1981 DO - 10.3133/wri8158 UR - https://pubs.usgs.gov/publication/wri8158 ID - wri8158 ER -