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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão 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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