Não informado. (2020). Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the Division of Mines. California Division of Mines.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the Division of Mines. San Francisco, Calif: California Division of Mines, 2020.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the Division of Mines. California Division of Mines, 2020.
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