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
Arid Ecosystems Strategic Monitoring Plan, 1991. Environmental Monitoring and Assessment Program. Kepner, W. G; Fox, C. A; Baker, J; Breckenridge, B; Elvidge, C.	PB93100139	1991	300 pages
Environmental Monitoring and Assessment Program: EMAP-Arid Colorado Plateau Pilot Study, 1992. Implementation Plan. Franson, S. E.	PB93181618	1993	175 pages
Arid Ecosystems 1992 Pilot Report. Environmental Monitoring and Assessment Program. Kepner, W. G; Kuehl, R. O; Breckenridge, R. P; Lancaster, J. M; Leonard, S. G; Mouat, D. A; Reinsch, T. G; Jones, K. B; Neale, A. C; Minor, T. B; Tallent-Halsell, N.	PB94176898	1994	134 pages
EPA Publications Bibliography: Quarterly Abstract Bulletin. October-December 1994.	PB94904204	1994	412 pages