1. Geologic map of the Devils Postpile quadrangle, Sierra Nevada, California [cartographic material]
1965. 2011-12-19T16:14:18Z. 2012-03-05T17:26:05Z. Geological Survey (U.S.). The Survey. English. Public. California and U.S.
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2. Geologic map of the Harvey Mountain quadrangle, Lassen County, California [cartographic material]
1965. 2011-12-19T19:19:50Z. 2012-03-05T17:26:14Z. Macdonald, Gordon A. (Gordon Andrew), 1911-1978. The Survey. English. Public. California, Lassen County, and U.S.
