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
National Surface Water Survey, National Stream Survey. Phase 1. Pilot Survey, Summary of Quality Assurance Data Results, Drouse, S. K.	PB88140298	1987	54 pages
National Surface Water Survey: National Stream Survey Phase 1 Pilot Survey. Messer, J. J; Eshleman, K. N; Stambaugh, S. M; Kaufmann, P. R.	PB88170840	1986	200 pages