@misc{indiciae9cc4a62c91c8, title = {Magnetostratigraphy of the Eocene-Oligocene San Lorenzo and Vaqueros formations, Santa Cruz Mountains, California; implications for California biostratigraphic zonations}, author = {D.R. Prothero and Joey Sutton and E. E. Brabb}, year = {2001}, url = {https://pubs.usgs.gov/publication/70206704}, note = {Source identifier: 70206704} }