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Tohutoro APA (7th ed.)
Estados Unidos Geological Survey. (19). Geologic sections of Elm river mine (contact copper co.), T. 52 N., R. 36 W. U. S. Geological Survey.
Tohutoru Kātū Chicago (17th ed.)
Estados Unidos Geological Survey. Geologic Sections of Elm River Mine (contact Copper Co.), T. 52 N., R. 36 W. U. S. Geological Survey, 19.
Tohutoro MLA (9th ed.)
Estados Unidos Geological Survey. Geologic Sections of Elm River Mine (contact Copper Co.), T. 52 N., R. 36 W. U. S. Geological Survey, 19.
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