TY  - RPRT
TI  - Water Quality in the High Plains Aquifer, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1999-2004
AU  - Jason J. Gurdak
AU  - Peter B. McMahon
AU  - Kevin Dennehy
AU  - Sharon L. Qi
PY  - 2009
DO  - 10.3133/cir1337
UR  - https://pubs.usgs.gov/publication/cir1337
ID  - cir1337
ER  -