TY  - RPRT
TI  - Water-level changes in the High Plains Aquifer: Predevelopment to 1990
AU  - J. T. Dugan
AU  - D. E. Schild
PY  - 1992
DO  - 10.3133/wri914165
UR  - https://pubs.usgs.gov/publication/wri914165
ID  - wri914165
ER  -