@misc{indiciae0810e2279c9a, title = {Aeromagnetic map of the Clear Lake area, Lake, Sonoma, Napa, and Mendocino counties, California}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1973}, doi = {10.3133/ofr73299}, url = {https://pubs.usgs.gov/publication/ofr73299}, note = {Source identifier: ofr73299} }