Não informado. (2010). Report of the State Mineralogist. California State Mining Bureau.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Report of the State Mineralogist. Sacramento, Calif: California State Mining Bureau, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Report of the State Mineralogist. California State Mining Bureau, 2010.
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