TY  - RPRT
TI  - Preliminary geologic map of part of the Pahlone Peak Quadrangle, Gunnison, Saguache, and Chaffee counties, Colorado
AU  - Jerry Chipman Olson
PY  - 1977
DO  - 10.3133/ofr77325
UR  - https://pubs.usgs.gov/publication/ofr77325
ID  - ofr77325
ER  -