pl23_theb0928.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23theb0928jpg-0Description
Using a stereoscope to bring images on adjacent photographs into coincidence.
Credit
C&GS; Season's Report Mattison 1921-69
Display Date
1921
Location
Washington, D.C.
Collection
Historic Coast & Geodetic Survey
Geodesy
Topography-Mapping the Shoreline
Photogrammetry
Keywords
Geodesy
Topography
Photogrammetry