TY  - RPRT
TI  - Geohydrology of the High Plains aquifer system in Nebraska
AU  - R. A. Pettijohn
AU  - Hsiu-Hsiung Chen
PY  - 1982
DO  - 10.3133/ofr82502
UR  - https://pubs.usgs.gov/publication/ofr82502
ID  - ofr82502
ER  -