TY  - RPRT
TI  - Vertical gradients in water chemistry and age in the Northern High Plains Aquifer, Nebraska, 2003
AU  - P.B. McMahon
AU  - J.K. Böhlke
AU  - C. P. Carney
PY  - 2007
DO  - 10.3133/sir20065294
UR  - https://pubs.usgs.gov/publication/sir20065294
ID  - sir20065294
ER  -