@misc{indiciae2dd98464b6af, title = {Density measurements of well samples from the Clear Lake-Geysers area, Lake and Sonoma counties, California}, author = {C. W. Roberts}, year = {1997}, doi = {10.3133/ofr97427}, url = {https://pubs.usgs.gov/publication/ofr97427}, note = {Source identifier: ofr97427} }