TY  - RPRT
TI  - Map of Bedrock Geology of Yosemite Valley, 1913-1916
AU  - Frank C. Calkins
PY  - 1970
DO  - 10.3133/ofr7050
UR  - https://pubs.usgs.gov/publication/ofr7050
ID  - ofr7050
ER  -