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https://www.noaa.gov/media/digital-library-photo/pl23theb1578jpg

Description

C&GS; 12 theodolite.Used in Clarence Straits work (Image credit: C&GS; Season's Report Daniels 1916-13)

Credit

C&GS; Season's Report Daniels 1916-13

Display Date

1916

Keywords

Geodesy

Triangulation

Angles