@misc{indiciaed788250b8385, title = {Preliminary field compilation of in-progress geologic mapping in the Geysers geothermal area, California}, author = {Robert J. McLaughlin}, year = {1975}, doi = {10.3133/ofr75198}, url = {https://pubs.usgs.gov/publication/ofr75198}, note = {Source identifier: ofr75198} }