TY  - RPRT
TI  - Simplified stratigraphic cross sections of the Eocene Green River Formation in the Piceance Basin, northwestern Colorado
AU  - John D. Dietrich
AU  - Ronald C. Johnson
PY  - 2013
DO  - 10.3133/ofr20131012
UR  - https://pubs.usgs.gov/publication/ofr20131012
ID  - ofr20131012
ER  -