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Schott, Charles A. (Charles Anthony), 1826-1901.
An enquiry into the variation of the compass off the Bahama Islands at the time of the landfall of Columbus in 1492 ... -- Washington : Government Printing Office., 1882.
8, {1] p. : map ; 30 cm. (U.S. Coast and Geodetic Survey. Report for 1880. App. no.
At head of title: U.S. Coast and Geodetic Survey ... Methods and results.
Caption title reads "By Charles A.
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