Publisher: Coast and Geodetic Survey Office / Access: Public - Yale University Library GeoBlacklight Search Results

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1. Chart showing longitude stations and connections determined by means of the electric telegraph between 1846 and July 1881

1882. 2013-09-30T18:59:58Z. 2018-12-10T19:48:15Z. U.S. Coast and Geodetic Survey. Coast and Geodetic Survey Office. English. cartographic image. Public. North America.

2. Chart showing longitude stations and connections determined by means of the electric telegraph between 1846 and July 1882

1882. 2013-10-02T20:25:28Z. 2018-12-10T19:47:29Z. U.S. Coast and Geodetic Survey. Coast and Geodetic Survey Office. English. cartographic image. Public. North America.

3. Chart showing longitude stations and connections determined by means of the electric telegraph between 1846 and June 30, 1883

1883. 2013-10-11T17:53:23Z. 2018-12-10T19:58:35Z. U.S. Coast and Geodetic Survey. Coast and Geodetic Survey Office. English. cartographic image. Public. North America.

4. Chart showing longitude stations and connections determined by means of the electric telegraph between 1846 and June 30, 1884

1885. 2013-10-15T17:11:38Z. 2018-12-10T19:58:22Z. U.S. Coast and Geodetic Survey. Coast and Geodetic Survey Office. English. cartographic image. Public. North America.

5. Chart showing positions of magnetic stations occupied between 1844 and July 1881

1882. 2013-09-30T17:37:45Z. 2018-12-18T20:15:02Z. United States Coast Survey. Coast and Geodetic Survey Office. English. cartographic image. Public. North America.

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