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Federal
U.S. 15 Minute Precipitation Data
National Oceanic and Atmospheric Administration, Department of Commerce —
U.S. 15 Minute Precipitation Data is digital data set DSI-3260, archived at the National Climatic Data Center (NCDC). This is precipitation data. The primary source... -
Federal
National HM Route Registry - National HM Route Registry
Department of Transportation —
Information related to preferred and restricted routes for carrying hazardous materials.