TY  - RPRT
TI  - Chart showing intertongued units of the Eocene Green River and Uinta Formations, northwestern Piceance Creek basin, northwestern Colorado
AU  - W. J. Hail
PY  - 1987
DO  - 10.3133/i1797b
UR  - https://pubs.usgs.gov/publication/i1797B
ID  - i1797B
ER  -