1938. 2018-05-09T16:47:57Z. 2018-09-05T19:35:57Z. Jenkins, Olaf P. (Olaf Pitt), 1889-1983. Division of Mines. English. cartographic image. Public. California, Sierra Nevada (Calif. and Nev.), California., United States, and Sierra Nevada.
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1932. 2018-04-20T18:26:48Z. 2018-09-05T19:38:54Z. Jenkins, Olaf P. (Olaf Pitt), 1889-1983. California Division of Mines. English. cartographic image. Public. Sierra Nevada (Calif. and Nev.), United States, and Sierra Nevada.