1. U.S. Geological Survey Catskill/Delaware water-quality network : water-quality report, water year 2006 Author/Creator: McHale, Michael R. Publication/Creation: Reston, Va. : U.S. Dept, oif the Interior, U.S. Geological Survey, 2010 Resource Type: Book Access & Availability: Loading
2. Phosphorus concentrations in stream-water and reference samples : an assessment of laboratory comparability Author/Creator: McHale, Michael R. Publication/Creation: Reston, Va. : U.S. Geological Survey, 2007 Resource Type: Book Access & Availability: Loading
3. Stream-water chemistry, nutrients, and pesticides in Town Brook, a headwater stream of the Cannonsville Reservoir Watershed, Delaware County, New York, 1999 Author/Creator: McHale, Michael R. Publication/Creation: Troy, N.Y. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading