Ngā kupu hautoa kōpae

Tohutoro APA (7th ed.)
Estados Unidos Geological Survey. (19). Geologic map of copper range from end of Keweenaw Point to Mount Houghton, Michigan. U. S. Geological Survey.
Tohutoru Kātū Chicago (17th ed.)
Estados Unidos Geological Survey. Geologic Map of Copper Range from End of Keweenaw Point to Mount Houghton, Michigan. U. S. Geological Survey, 19.
Tohutoro MLA (9th ed.)
Estados Unidos Geological Survey. Geologic Map of Copper Range from End of Keweenaw Point to Mount Houghton, Michigan. U. S. Geological Survey, 19.
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