Clark, B. L. (1918). The San Lorenzo Series of middle California. A stratigraphic and palaeontologic study of the San Lorenzo Oligocene series of the general region of Mount Diablo, California. University of California Publications, Bulletin of the Department of Geological Sciences. 11(2): 45-234, pls. 3-24.
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Clark, B. L.
1918
The San Lorenzo Series of middle California. A stratigraphic and palaeontologic study of the San Lorenzo Oligocene series of the general region of Mount Diablo, California
University of California Publications, Bulletin of the Department of Geological Sciences