Distribution of the magnetic declination in the United States in 1900 / compiled by Henry Gannett.

Notes:
At top of sheet: U.S. Geological survey. Seventeenth annual report, Part I, Pl. II. and 1 map : col. 45 x 72 cm on sheet 51 x 78 cm
Data Provider:
University of Michigan. Libraries
Collection:
UM Clark Library Maps
Subject Topic:
Geomagnetism United States Maps.; Geomagnetism. fast (OCoLC)fst00940796; United States. fast (OCoLC)fst01204155
Language:
eng
Rights:
This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library. and https://www.lib.umich.edu/about-us/policies/copyright-policy
URL:
http://name.umdl.umich.edu/IC-CLARK1IC-X-013655505%5D39015091194954