Evaluation of nitrate concentrations and sources in the Elk Creek watershed, southwestern Ohio, 2003-2004
By: by Thomas L. Schumann and Bruce A. Pletsch ; in cooperation with the Miami Conservancy District.
Series: Scientific investigations report -- 2006-5223
Publisher: U.S. Department of the Interior, U.S. Geological Survey
Published: 2006
Place of publication: Reston, VA
Language: eng
Number of pages: 30