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Map Accuracy Standards - USGS

Map Accuracy Standards - USGS

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Map Accuracy Standards. How the Survey Maintains Map Accuracy In 1958, the USGS began systematically testing the accuracy of its maps. Presently, accuracy testing is performed on 10 percent of the mapping projects at each contour interval as a method of controlling overall quality. It is rare for a 7.5-minute map to fail the test, but this

  Standards, Accuracy, Map accuracy standards, Map accuracy

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