Search Results for the EPA National Library Catalog

Items Found: 3
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Your Search: (SUBJECT=Middle West Environmental conditions)


 
 
 
Select Item Title Year Published
Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for lakes and reservoirs in nutrient ecoregion VII : mostly glaciated dairy region including all or parts of the states of New York, Pennsylvania, Michigan, Wisconsin, Minnesota, Iowa, Ohio, Indiana, Illinois and the authorized Tribes within the Ecoregion / 2000
Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion V : south central cultivated Great Plains including all or parts of the states of: Montana, North Dakota, South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, Texas, and New Mexico, and the authorized tribes within the ecoregion / 2001
Influence of natural factors on the quality of midwestern streams and rivers / 2001

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