TY  - RPRT
TI  - Coal resource occurrence and coal development potential maps of the Rangely quadrangle, Rio Blanco County, Colorado
AU  - AAA Engineering and Drafting Inc.
PY  - 1980
DO  - 10.3133/ofr791421
UR  - https://pubs.usgs.gov/publication/ofr791421
ID  - ofr791421
ER  -