@misc{indiciae0e5c15a974d3, title = {Aeromagnetic map of the northwest portion of the San Francisco Bay region, California}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1976}, doi = {10.3133/ofr76618}, url = {https://pubs.usgs.gov/publication/ofr76618}, note = {Source identifier: ofr76618} }