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NOAA Photo Library Image - theb1791

Using dynamite to excavate a bench mark hole. Note dirt flying out of hole. Level party of H. J. Oliver

Image ID: theb1791, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Northern California
Photo Date: 1932
Credit: C&GS Special Report Oliver 1932

Category: Geodesy/Leveling/

• High Resolution Photo Available




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Last Updated: April 30, 2013