TY  - RPRT
TI  - Coal resource occurrence and coal development potential maps of the Gillam Draw Quadrangle, Rio Blanco County, Colorado
AU  - AAA Engineering and Drafting Inc.
PY  - 1979
DO  - 10.3133/ofr791419
UR  - https://pubs.usgs.gov/publication/ofr791419
ID  - ofr791419
ER  -