TY - RPRT TI - Airborne electromagnetic mapping of the base of aquifer in areas of western Nebraska AU - Jared D. Abraham AU - James C. Cannia AU - Paul A. Bedrosian AU - Michaela R. Johnson AU - Lyndsay B. Ball AU - Steven S. Sibray PY - 2012 DO - 10.3133/sir20115219 UR - https://pubs.usgs.gov/publication/sir20115219 ID - sir20115219 ER -