1. Evaluation of fecal contamination by human and ruminant sources in upper Fountain Creek, Colorado, 2007-2008, by using multiple lines of evidence Author/Creator: Stoeckel, Donald M. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2012] Resource Type: Book Access & Availability: Loading
2. Water quality of the Mahoning River and selected tributaries in Youngstown, Ohio Author/Creator: Stoeckel, Donald M. Publication/Creation: Columbus, Ohio : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading
3. Water quality of the Mahoning River and selected tributaries in Youngstown, Ohio Author/Creator: Stoeckel, Donald M. Publication/Creation: Columbus, OH : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading