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U.S. Coast & Geodetic Survey Benchmark 3D Model
A survey benchmark consisting of a copper alloy plaque set in to a concrete pedestal. This benchmark was set up in 1935 by the U.S. Coast & Geodetic Survey, now known as the U.S. National Geodetic Survey. Interestingly while this plaque has a space where the surveyors could have inscribed the elevation above median sea level (AMSL), it was left blank.
Photos shot using an iPhone 6S. A total of 35 photos were used to create this model. It was generated in Agisoft Metashape