TY  - RPRT
TI  - Helicopter Electromagnetic and Magnetic Geophysical Survey Data, Oakland, Ashland, and Firth Study Areas, Eastern Nebraska, March 2007
AU  - Bruce D. Smith
AU  - Jared D. Abraham
AU  - James C. Cannia
AU  - Gregory V. Steele
AU  - Patricia L. Hill
PY  - 2008
DO  - 10.3133/ofr20081018
UR  - https://pubs.usgs.gov/publication/ofr20081018
ID  - ofr20081018
ER  -