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Description
Observer Atridge at Station Hackberry.Triangulation party of Wilbur Porter (Image credit: NOAA, George E. Marsh Album)
Credit
NOAA, George E. Marsh Album
Display Date
1933
Location
Nebraska
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Observing the Angles
Keywords
Geodesy
Triangulation
Angles