Search Results - "I 19.42/4:95-4221"
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Water-quality assessment of the Potomac River Basin : basin description and analysis of available nutrient data, 1970-90
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 1996“…I 19.42/4:95-4221…”Description: vi, 88 pages : illustrations, maps ; 28 cm.
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Water-quality assessment of the Potomac River Basin : basin description and analysis of available nutrient data, 1970-90
Published: U.S. Department of the Interior, U.S. Geological Survey, 1996“…I 19.42/4:95-4221…”Description: 1 online resource (vi, 88 pages) : illustrations, maps.
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