TY  - RPRT
TI  - Base of principal aquifer for the Elkhorn-Loup model area, North-Central Nebraska
AU  - V. L. McGuire
AU  - Steven M. Peterson
PY  - 2008
DO  - 10.3133/sim3042
UR  - https://pubs.usgs.gov/publication/sim3042
ID  - sim3042
ER  -