TY  - RPRT
TI  - Historical water-quality data for the High Plains Regional Ground-Water Study Area in Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1930-98
AU  - David W. Litke
PY  - 2001
DO  - 10.3133/wri004254
UR  - https://pubs.usgs.gov/publication/wri004254
ID  - wri004254
ER  -