TY  - RPRT
TI  - Geologic map of the Iris quadrangle, Gunnison and Saguache counties, Colorado
AU  - Jerry Chipman Olson
PY  - 1976
DO  - 10.3133/gq1286
UR  - https://pubs.usgs.gov/publication/gq1286
ID  - gq1286
ER  -