TY  - RPRT
TI  - Coughs Creek Tongue: A new tongue of the Eocene Green River Formation, Piceance Creek basin, Colorado
AU  - Robert Brett O'Sullivan
PY  - 1975
DO  - 10.3133/b1395g
UR  - https://pubs.usgs.gov/publication/b1395G
ID  - b1395G
ER  -