Subject: Magnetic declination / Year: 1890 - Yale University Library GeoBlacklight Search Results

Start Over Subject Magnetic declination Year 1890

1. Isogonic chart of the United States for the epoch 1890 [cartographic material].

1890. 2013-10-17T20:40:12Z. 2018-12-10T20:23:40Z. U.S. Coast and Geodetic Survey, issuing body. U.S. Coast and Geodetic Survey. English. Public. United States.

2. Magnetic meridians of the United States for January 1890 and present annual change of the declination [cartographic material]

1890. 2013-10-17T21:24:14Z. 2018-12-10T20:23:17Z. U.S. Coast and Geodetic Survey, issuing body. U.S. Coast and Geodetic Survey. English. Public. United States.

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