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Dyfyniad APA
Van Hise Charles Richard & Bayley William Shirley. (1899). [Geological atlas of the Marquette district of Michigan]. Govt. Print. Off.
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Dyfyniad Arddull Chicago
Van Hise Charles Richard and Bayley William Shirley. [Geological Atlas of the Marquette District of Michigan]. Govt. Print. Off, 1899.
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Dyfyniad MLA
Van Hise Charles Richard and Bayley William Shirley. [Geological Atlas of the Marquette District of Michigan]. Govt. Print. Off, 1899.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.