1. The effects of channel excavation on water-quality characteristics of the Black River and on ground-water levels near Dunn, North Carolina Author/Creator: Simmons, Clyde E., author Publication/Creation: Raleigh, North Carolina : U.S. Geological Survey, 1982 Resource Type: Book Access & Availability: Loading
2. Water-quality characteristics of streams in forested and rural areas of North Carolina Author/Creator: Simmons, Clyde E., author Publication/Creation: Raleigh, North Carolina : U.S. Geological Survey, 1979 Resource Type: Book Access & Availability: Loading