TY  - RPRT
TI  - Geologic map and coal sections of the northern part of the Horse Hill quadrangle, Sheridan County, Wyoming
AU  - W. J. Mapel
PY  - 1978
DO  - 10.3133/ofr78793
UR  - https://pubs.usgs.gov/publication/ofr78793
ID  - ofr78793
ER  -