National Technical Reports Library

The National Technical Information Service acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence. The NTRL offers online, free and open access to these authenticated government technical reports. Technical reports and documents in its repository may be available online for free either from the issuing federal agency, the U.S. Government Publishing Office’s Federal Digital System website, or through search engines.

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Title/Authors	Accession Number	Publication Year	Page Count	Download
WASP7 Benthic Algae - Model Theory and User's Guide. Supplement to Water Quality Analysis Simulation Program (WASP) User Documentation. Ambrose, R. B; Martin, J. L; Wool, T. A.	PB2007100139	2006	32 pages
WASP7 Stream Transport-Model Theory and User's Guide: Supplement to Water Quality Analysis Simulation Program (WASP) User Documentation. Ambrose, R. B; Wool, T. A.	PB2010104716	2009	43 pages