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Description
Map Showing Longitude Stations and Connections determined by means of theelectric telegraph between 1846 and June 30, 1887. 137 longitude stations hadbeen determined at that time. Map produced by C.A. Schott in January, 1889.1887 Annual Report, figure 16.
Display Date
1887
Collection
Historic Coast & Geodetic Survey
Historic Maps
General
Keywords
Historical Cartography