GIS Dictionary

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U. Ud Ui Um Un Up Ur Us Ut Uv

U.S. Geological Survey

[environmental GIS] Acronym for United States Geological Survey. A scientific agency of the U.S. government, part of the Department of the Interior. The U.S. Geological Survey is a fact-finding research … Read more

U.S. National Geodetic Survey

[federal government] The U.S. government agency responsible for maintaining the National Spatial Reference System (NSRS), the national coordinate system of the United States.