1. Saint Francis Univ.; Center for Watershed Research & Service; 117 Evergreen Dr. Loretto PA 15940
2. Saint Vincent College; 300 Fraser Purchase Rd. Latrobe PA 15650
3. Saint Francis Univ.; Environmental Engineering Dep.; 117 Evergreen Dr. Loretto PA 15940
4. Dep. of Biological Systems Engineering, Virginia Tech, Seitz Hall; Blacksburg VA 24061