TY  - RPRT
TI  - Preliminary structure map of the northern part of the Piceance Creek basin, Colorado, and preliminary isopach map of the interval between the B-groove and orange marker of the Green River Formation, northern part of the Piceance Creek basin, Colorado
AU  - John R. Dyni
PY  - 1968
DO  - 10.3133/ofr6892
UR  - https://pubs.usgs.gov/publication/ofr6892
ID  - ofr6892
ER  -