Isogonic chart of the United States for the epoch 1890 [cartographic material]. Yale Public content

Author:
Publisher:
U.S. Coast and Geodetic Survey
Subject:
Magnetic declination
Geomagnetism
Spatial Coverage:
United States
Language:
English
Year:
1890
Date Issued:
2013-10-17T20:40:12Z
Date Modified:
2018-12-10T20:23:40Z
Library Catalog Record:
https://search.library.yale.edu/catalog/11731444
Digital Collections Record:
No Digital Collections record

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