TY  - RPRT
TI  - Tertiary geology and oil-shale resources of the Piceance Creek basin between the Colorado and White Rivers, northwestern Colorado
AU  - John R. Donnell
PY  - 1961
DO  - 10.3133/b1082l
UR  - https://pubs.usgs.gov/publication/b1082L
ID  - b1082L
ER  -