Ngā kupu hautoa kōpae

Tohutoro APA (7th ed.)
Estados Unidos Geological Survey. (19). Plans of Calumet and Hecla conglomerate mine. U. S. Geological Survey.
Tohutoru Kātū Chicago (17th ed.)
Estados Unidos Geological Survey. Plans of Calumet and Hecla Conglomerate Mine. U. S. Geological Survey, 19.
Tohutoro MLA (9th ed.)
Estados Unidos Geological Survey. Plans of Calumet and Hecla Conglomerate Mine. U. S. Geological Survey, 19.
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