@misc{indiciaec0066d53ee66, title = {Preliminary geologic map of the Mare Island Quadrangle, Solano and Contra Costa counties, California}, author = {T. W. Dibblee}, year = {1981}, doi = {10.3133/ofr81234}, url = {https://pubs.usgs.gov/publication/ofr81234}, note = {Source identifier: ofr81234} }