TY  - RPRT
TI  - Delineating the Pierre Shale from geophysical surveys within and near Ellsworth Air Force Base, South Dakota, 2019
AU  - Colton J. Medler
AU  - Todd M. Anderson
PY  - 2021
DO  - 10.3133/sim3474
UR  - https://pubs.usgs.gov/publication/sim3474
ID  - sim3474
ER  -