TY  - RPRT
TI  - Geophysical logs of coal test drill holes in the Grand Mesa coal field, Delta and Mesa Counties, Colorado
AU  - George P. Eager
PY  - 1978
DO  - 10.3133/ofr78540
UR  - https://pubs.usgs.gov/publication/ofr78540
ID  - ofr78540
ER  -