TY  - RPRT
TI  - Geologic map of the Marble quadrangle, Gunnison and Pitkin Counties, Colorado
AU  - David L. Gaskill
AU  - Larry H. Godwin
PY  - 1966
DO  - 10.3133/gq512
UR  - https://pubs.usgs.gov/publication/gq512
ID  - gq512
ER  -