TY - RPRT TI - 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 1988-89 AU - J. T. Dugan AU - D. E. Schild AU - W. M. Kastner PY - 1990 DO - 10.3133/wri904153 UR - https://pubs.usgs.gov/publication/wri904153 ID - wri904153 ER -