TY  - RPRT
TI  - Paleocene and lower Eocene units in the southern part of the Piceance Creek basin, Colorado
AU  - John R. Donnell
PY  - 1969
DO  - 10.3133/b1274m
UR  - https://pubs.usgs.gov/publication/b1274M
ID  - b1274M
ER  -