Boss of unaltered granite, originally embedded in decomposed granite. Nevada County, California. no date.
Summary
Boss of unaltered granite, originally embedded in decomposed granite. Related to "bowlder of decomposition". Compare 3724-3732. Nevada City. Nevada County, California. no date.
Summary
Boss of unaltered granite, originally embedded in decomposed granite. Related to "bowlder of decomposition". Compare 3724-3732. Nevada City. Nevada County, California. no date.
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Available in the U.S. Geological Survey Denver Library Photographic Collection, Gilbert, G.K. Collection.
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