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Dyfyniad APA
Estados Unidos Geological Survey. (1928). Topographic map of the central portion of copper range, painesdale to Cliff, Michigan. U. S. Geological Survey.
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Dyfyniad Arddull Chicago
Estados Unidos Geological Survey. Topographic Map of the Central Portion of Copper Range, Painesdale to Cliff, Michigan. U. S. Geological Survey, 1928.
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Dyfyniad MLA
Estados Unidos Geological Survey. Topographic Map of the Central Portion of Copper Range, Painesdale to Cliff, Michigan. U. S. Geological Survey, 1928.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.