Publisher: U .S. Coast Survey Office - Yale University Library GeoBlacklight Search Results

1. Chart showing the positions of magnetic stations occupied by the U.S. Coast Survey between 1844 and 1878

1880. 2013-08-12T18:42:59Z. 2018-12-18T20:14:52Z. United States Coast Survey. U .S. Coast Survey Office. English. cartographic image. Public. North America.

2. Chart showing the positions of magnetic stations occupied by the U.S. Coast Survey between 1844 and 1880 incl

1882. 2013-09-24T14:27:49Z. 2018-12-10T19:58:12Z. U.S. Coast and Geodetic Survey. U .S. Coast Survey Office. English. cartographic image. Public. North America.

3. Chart showing the positions of magnetic stations occupied by the U.S. Coast Survey between 1844 and June 30, 1889

1890. 2013-10-17T19:51:07Z. 2018-12-10T19:58:02Z. U.S. Coast and Geodetic Survey. U .S. Coast Survey Office. English. cartographic image. Public. North America.