Digital Library Search
Description
Reproduction of first map showing magnetic declination in the United States.First published by the Coast Survey in 1856 (Image credit: C&GS; Centennial Anniversary Volume, NOAA Central Library)
Credit
C&GS; Centennial Anniversary Volume, NOAA Central Library
Display Date
1856
Collection
Historic Coast & Geodetic Survey
Keywords
Geophysics
Geomagnetism