1. The Betsie Shale Member : a datum for exploration and stratigraphic analysis of the lower part of the Pennsylvanian in the Central Appalachian Basin Author/Creator: Rice, Charles L., author Publication/Creation: [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
2. Sandstone units of the Lee Formation and related strata in eastern Kentucky Author/Creator: Rice, Charles L., author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1984 Resource Type: Book Access & Availability: Loading