Struve Geodetic Arc | Norway

Postcard
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.

This helped to calculate the exact size and shape of the planet and marked an important step in the development of earth sciences and topographic mapping.

Struve Geodetic Arc is a UNESCO World Heritage site.

Struve Belarus  Struve Estonia  Struve Finland  Struve Latvia  Struve Lithuania  Struve Norway Struve Moldova  Struve Russia  Struve Sweden  Struve Ukraine