TY  - RPRT
TI  - Coal geology of the Bowman-Gascoyne area, Adams, Billings, Bowman, Golden Valley, and Slope Counties, North Dakota
AU  - Robert C. Lewis
PY  - 1979
DO  - 10.3133/ofr791698
UR  - https://pubs.usgs.gov/publication/ofr791698
ID  - ofr791698
ER  -