Cofnodi Dyfyniadau
Dyfyniad APA
Matthes F. E. (1930). Map of glacial and postglacial deposits in Yosemite valley, mariposa county, California. U. S. Geological Survey.
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Dyfyniad Arddull Chicago
Matthes F. E. Map of Glacial and Postglacial Deposits in Yosemite Valley, Mariposa County, California. U. S. Geological Survey, 1930.
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Dyfyniad MLA
Matthes F. E. Map of Glacial and Postglacial Deposits in Yosemite Valley, Mariposa County, California. U. S. Geological Survey, 1930.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.