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.
Chicago-referens (17:e uppl.)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.
MLA-referens (8:e uppl.)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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.