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
Factors Affecting the Long-Term Response of Surface Waters to Acidic Deposition: State-of-the-Science. Church, M. R; Turner, R. S; Johnson, D. W; Elwood, J. N; Van Winkle, W.	PB86178118	1986	317 pages
Direct/Delayed Response Project: Future Effects of Long-Term Sulfur Deposition on Stream Chemistry in the Mid-Appalachian Region of the Eastern United States. Church, M. R; Shaffer, P. W; Thornton, K. W; Cassell, D. L; Liff, C. I.	PB92232370	1992	410 pages
Direct/Delayed Response Project: Mid-Appalachian Soil Correlation and Sampling Class Development Workshop. Held in Corvallis, Oregon on August 22-25, 1988. Lee, J. J; Stevens, D. L; Kern, J. S; Lammers, D. A.	PB90206327	1990	52 pages