1. Book of ASTM Standards, Part 19, Natural Building Stones: Soil and Rock: Peats, Mosses and Humus;American Society for Testing of Materials (ASTM),1978
2. Four Case Studies of Slope Stability on Surface Mined Lands Returned to Approximate Original Contour in SW Virginia;Bell,1985
3. Evaluation of the topographic factor in the Universal Soil Loss Equation on irregular slopes;Castro;J. Soil Water Conserv.,1986
4. Improving Coal Mine Reclamation in the Central Appalachian Region;Daniels,1988
5. Particle Fractionation: Particle Size Analysis;Day,1965