The Struve Geodetic Arc is a chain of survey triangulations stretching from Hammerfest in Norway to the Black Sea, through ten countries and over 2,820 km, which yielded the first accurate measurement of a meridian. Read more..
This article uses material from the Wikipedia article "Struve_Geodetic_Arc", which is released under the Creative Commons Attribution-Share-Alike License 3.0.
Free counters