TY  - RPRT
TI  - Preliminary geologic map and coal sections, ULM Quadrangle, Sheridan County, Wyoming
AU  - W. J. Mapel
AU  - B.W. Dean
PY  - 1976
DO  - 10.3133/mf731
UR  - https://pubs.usgs.gov/publication/mf731
ID  - mf731
ER  -