1. National management measures to control nonpoint source pollution from urban areas Publication/Creation: [Washington, D.C.] : U.S. Environmental Protection Agency, Office of Water, [2005] Resource Type: Book Access & Availability: Loading
2. National stormwater calculator user's guide -- version 1.1 Author/Creator: Rossman, Lewis A., author Publication/Creation: Cincinnati, OH : Office of Research and Development, U.S. Environmental Protection Agency, 2014 Resource Type: Book Edition: Revised September 2014. Access & Availability: Loading
3. Natural water losses from selected drainage basins in Alabama Author/Creator: Rice, Edward B. 1907- (Edward Burns) Publication/Creation: University, Ala. : [publisher not identified], 1945 Resource Type: Book Access & Availability: Loading
4. Normalcy tests of precipitation and frequency studies of runoff on small watersheds Author/Creator: Potter, W. D. 1898- (William Dayton) Publication/Creation: Washington : Dept. of Agriculture, 1949 Resource Type: Book Access & Availability: Loading
5. NPDES news Publication/Creation: [Washington, D.C.] : U.S. Environmental Protection Agency, Office of Water, Office of Wastewater Management Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
6. NPDES storm water program : question and answer document Publication/Creation: [Washington, D.C.] : U.S. EPA, Office of Wastewater Enforcement and Compliance, Permits Division, [1992-1993] Resource Type: Book Access & Availability: Loading
7. Nutrients and suspended sediment in snowmelt runoff from part of the upper Mississippi River basin, Minnesota and Wisconsin, 1997 Author/Creator: Fallon, James D. Publication/Creation: Mounds View, Minn. : U.S. Dept. of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading