Geology of the Humphreys Station area, Los Angeles County, California
Six formations of Tertiary and Quaternary Age are present south of the Santa Clara River in the Easternmost Ventura Basin. The upper Miocene non-marine Mint Canyon formation is successively overlain by the uppermost Miocene marine "Modelo" formation, the lower Pliocene marine Pico forma...
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https://thesis.library.caltech.edu/5611/1/MacNeill_rj_1947.pdfhttps://thesis.library.caltech.edu/5611/2/MacNeill_rj_1947_plate_1.PDF
https://thesis.library.caltech.edu/5611/3/MacNeill_rj_1947_plate_2.PDF
MacNeill, Robert John (1948) Geology of the Humphreys Station area, Los Angeles County, California. Master's thesis, California Institute of Technology. doi:10.7907/32PJ-FV32. https://resolver.caltech.edu/CaltechTHESIS:03172010-091444658 <https://resolver.caltech.edu/CaltechTHESIS:03172010-091444658>