@misc{indiciae82c99fbd0328, title = {Preliminary geologic map of the Byron Hot Springs Quadrangle, Alameda and Contra Costa counties, California}, author = {T. W. Dibblee}, year = {1980}, doi = {10.3133/ofr80534}, url = {https://pubs.usgs.gov/publication/ofr80534}, note = {Source identifier: ofr80534} }