TY  - RPRT
TI  - Altitude, age, and quality of groundwater, Papio-Missouri River Natural Resources District, eastern Nebraska, 1992 to 2009
AU  - Virginia L. McGuire
AU  - Derek W. Ryter
AU  - Amanda S. Flynn
PY  - 2012
DO  - 10.3133/sir20125036
UR  - https://pubs.usgs.gov/publication/sir20125036
ID  - sir20125036
ER  -