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41by Kroening, Sharon E.Subjects: “...Nutrient pollution of water Mississippi River Watershed....”
Published 1997
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42Published 1995Subjects: “...Organic compounds Environmental aspects Mississippi River Watershed....”
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43Published 1999Subjects: “...Water Pollution Mississippi River Watershed....”
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44by Francis, John K.Subjects: “...Hardwoods Mississippi River Watershed....”
Published 1986
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45Published 1998Subjects: “...Carbon cycle (Biogeochemistry) Mississippi....”
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46Published 2000Subjects: “...Water Nitrogen content Mississippi River Watershed....”
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47Spatial structure and temporal variation of fish communities in the upper Mississippi River system /Published 2005Subjects: “...Fish communities Mississippi River Watershed....”
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48Published 2003Subjects: “...Freshwater mussels Mississippi River Watershed....”
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49Published 2005Subjects: “...Water balance (Hydrology) Mississippi River Watershed....”
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50Subjects: “...Water resources development Mississippi River Watershed....”
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51Published 1997Subjects: “...Water Pollution Mississippi River Watershed....”
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52Published 1997Subjects: “...Water Pollution Mississippi River Watershed....”
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53by Love, S. K. (Samuel Kenneth), 1903-1995Subjects: “...Water quality Mississippi River Watershed....”
Published 1968
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54by Kirsch, Eileen M.Subjects: “...Birds Habitat Mississippi River Watershed Observations....”
Published 2021
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55Published 1997Subjects: “...Nitrates Environmental aspects Mississippi River Watershed....”
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56by Love, S. K. (Samuel Kenneth), 1903-1995Subjects: “...Water quality Mississippi River Watershed....”
Published 1965
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57Published 1978Subjects: “...Water resources development Mississippi River Watershed Planning....”
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58by Goolsby, D. A.Subjects: “...Agricultural chemicals Environmental aspects Mississippi River Watershed....”
Published 1993
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59Published 1993Subjects: “...Stream conservation Mississippi River Planning....”
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60Published 2001Subjects: “...Nutrient pollution of water Mississippi River Watershed....”
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