1. Quality of ground water in Monitor and Williams townships, Bay County, Michigan Author/Creator: Twenter, F. R., author Publication/Creation: Lansing, Michigan : U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
2. Quality of water in the alluvial aquifer, American Bottoms, East St. Louis, Illinois Author/Creator: Voelker, David C., author Publication/Creation: Urbana, Ill. : U.S. Geological Survey, 1984 Resource Type: Book Access & Availability: Loading