TY  - RPRT
TI  - Field guide and road log: Pennsylvanian and Permian depositional systems and cycles in the Eagle basin, northwestern Colorado
AU  - Christopher J. Schenk
AU  - S. Y. Johnson
AU  - J. A. Karachewski
PY  - 1987
DO  - 10.3133/ofr87430
UR  - https://pubs.usgs.gov/publication/ofr87430
ID  - ofr87430
ER  -