Search Results for the EPA National Library Catalog

Items Found: 2

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Your Search: (AUTHOR=Ballentin AND Richard AND K.)


Select Item Title Year Published
Influences of Microbial Populations on Aquatic Nutrient Cycles and Some Engineering Aspects. 1972
Water Quality of the Missouri River (Gavins Point Dam to Hermann, Missouri). October-November, 1968 and January-February, 1969, Surveys. 1970

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