Lines of equal magnetic declination and of equal annual change in the United States for 1905

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Bibliographic Details
Main Authors: Estados Unidos Coast and Geodetic Survey, Norris Peters Co
Format: Map
Language:English
Published: U. S. Coast and Geodetic Survey
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Description
Physical Description:1 mapa
p&b, com traçados color.
55,00X71,00 cm, em folha de 60,00x76,00 cm