@misc{indiciae4195ce410afd, title = {Introduction to stratigraphy and hydrocarbon occurrence in Oligocene and Miocene rocks of the Santa Barbara-Ventura and Santa Maria Basins of California}, author = {Margaret A. Keller}, year = {1990}, doi = {10.2110/cor.90.14.0001}, url = {https://pubs.usgs.gov/publication/70242139}, note = {Source identifier: 70242139} }