pl23_geod1116.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23geod1116jpgDescription
Four-foot wooden stand with pee-wee light on top. Note Sears Tower inbackground. National Geodetic Survey Triangulation Party G-19.
Photographer
Lieutenant George Leigh NOAA Corps
Display Date
1977
Location
Illinois, Chicago
Collection
Geodesy