1. Water quality of large discharges from mines in the anthracite region of eastern Pennsylvania Author/Creator: Wood, Charles R., author Publication/Creation: Lemoyne, Pennsylvania : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
2. Water-quality assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland : environmental setting Author/Creator: Risser, Dennis W., author Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading