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Geodetic surveys

Anglo-French Survey (1784–1790)

Arc measurement

Arc measurement of Delambre and Méchain

Falkland Islands and Dependencies Aerial Survey Expedition

French Geodesic Mission to the Equator

Geodetic control network

Great Trigonometrical Survey

Principal Triangulation of Great Britain

Retriangulation of Great Britain

Transcontinental Traverse

Triangulation (surveying)

United States Geological and Geographical Survey of the Territories

 Ancestors (5)

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