1. NC DEQ, Division of Water Resources; 512 N. Salisbury St., 1611 Mail Service Center Raleigh NC 27699
2. Dep. of Forest and Environmental Resources; North Carolina State Univ., College of Natural Resources; 2820 Faucette Dr., Campus Box 8001 Raleigh NC 27695
3. Dep. of Geography; Nipissing Univ.; 100 College Drive, Box 5002 North Bay ON Canada P1B 8L7