TY  - RPRT
TI  - Preliminary geologic map and coal sections of the Bar N Draw Quadrangle, Wyoming-Montana
AU  - W. J. Mapel
PY  - 1974
DO  - 10.3133/ofr7463
UR  - https://pubs.usgs.gov/publication/ofr7463
ID  - ofr7463
ER  -