Cofnodi Dyfyniadau
Dyfyniad APA
Estados Unidos Coast and Geodetic Survey & Andrew B. Graham Co. Photo Lithographers. (1909). Base map of the United States. U.S.Coast and Geodetic Survey.
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Dyfyniad Arddull Chicago
Estados Unidos Coast and Geodetic Survey and Andrew B. Graham Co. Photo Lithographers. Base Map of the United States. U.S.Coast and Geodetic Survey, 1909.
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Dyfyniad MLA
Estados Unidos Coast and Geodetic Survey and Andrew B. Graham Co. Photo Lithographers. Base Map of the United States. U.S.Coast and Geodetic Survey, 1909.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.