TY  - RPRT
TI  - Geology of the Paonia coal field, Delta and Gunnison Counties, Colorado
AU  - V. H. Johnson
AU  - D. A. Andrews
AU  - R.C. Robeck
PY  - 1948
DO  - 10.3133/ofr486
UR  - https://pubs.usgs.gov/publication/ofr486
ID  - ofr486
ER  -