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Cover: Grazing and haying areas are shown on which studies were conducted and ground water quality was determined. The picture was taken at the North Appalachian Experimental Watershed near Coshocton, OH. The equipment in the foreground is a standard recording rain gage. See Owens and Bonta, "Reduction of Nitrate Leaching with Haying or Grazing and Omission of Nitrogen Fertilizer," p. 1230-1237. Photo by L.B. Owens.
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