1907 USGS Folding Geologic Map, Early California Oil Boom, Esteemed Provenance

63 x 60 cm (24.5 x 23.5 in). The map was produced in 1907 as a chromolithograph by the U.S. Geological Survey and published in Washington, D.C. Nomland was educated at the University of California, earning his Ph.D. in geology and paleontology in 1916.

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