@misc{indiciaeb72e86968bc2, title = {Geology of Point Reyes National Seashore and vicinity, California: A digital database}, author = {Jospeh C. Clark and Earl E. Brabb}, year = {1997}, doi = {10.3133/ofr97456}, url = {https://pubs.usgs.gov/publication/ofr97456}, note = {Source identifier: ofr97456} }