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
National Surface Water Survey: Eastern Lake Survey, Phase 1 (ELS-1), 1984 (ASCII Tape). Landers, D; Blick, J.	PB87193322	1986	1 pages
National Surface Water Survey: Eastern Lake Survey, Phase 1 (ELS-1), 1984 (SAS Data Tape). Landers, D; Blick, J.	PB87193298	1986
National Surface Water Survey: Eastern Lake Survey, Phase 1 (ELS-1), 1984 (SAS Export Data Tape). Landers, D; Blick, J.	PB87193306	1986
National Surface Water Survey: Eastern Lake Survey, Phase I (ELS-1), 1984 (EBCDIC Tape). Landers, D; Blick, J.	PB87193314	1986
National Surface Water Survey: Eastern Lake Survey, Phase 1 (ELS-1), 1984 (for Microcomputers). Landers, D; Blick, J.	PB87193330	1986