1. Results of experiments related to contact of mine-spoils water with coal, West Decker and Big Sky mines, southeastern Montana Author/Creator: Davis, Robert E. (Hydrologist), author Publication/Creation: Helena, Montana : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
2. Geochemistry and geohydrology of the West Decker and Big Sky coal-mining areas, southeastern Montana Author/Creator: Davis, Robert E. (Hydrologist), author Publication/Creation: Helena, Montana : U.S. Geological Survey, 1984 Resource Type: Book Access & Availability: Loading