TY  - RPRT
TI  - Geologic map of the North Mamm Peak quadrangle, Garfield County, Colorado
AU  - John R. Donnell
AU  - Warren E. Yeend
PY  - 1968
DO  - 10.3133/ofr6880
UR  - https://pubs.usgs.gov/publication/ofr6880
ID  - ofr6880
ER  -