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National Map Accuracy Standards (NMAS)

Last Updated: January 22, 2008 Related resource areas: Geospatial Technology

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The National Map Accuracy Standards (NMAS) were established in 1941 by the U.S. Bureau of the Budget to set accuracy standards for all federally produced maps. The current standards were revised in 1947.


Scale and the NMAS
Scale and the NMAS

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