@misc{indiciaebdd4f2f308eb, title = {Late Miocene and early Pliocene biosiliceous sedimentation along the California margin}, author = {John A. Barron and Mitchell Lyle and Itaru Koizumi}, year = {2002}, url = {https://pubs.usgs.gov/publication/70242833}, note = {Source identifier: 70242833} }