TY  - RPRT
TI  - Geologic map of the Holy Cross Quadrangle, Eagle, Lake, Pitkin, and Summit counties, Colorado
AU  - Ogden Tweto
PY  - 1971
DO  - 10.3133/ofr71286
UR  - https://pubs.usgs.gov/publication/ofr71286
ID  - ofr71286
ER  -