McGrain, P., & Currens, J. C. (1975). Bibliography of industrial and metallic minerals in Kentucky through August 1973. Kentucky Geological Survey, University of Kentucky.
Chicago Style (17th ed.) CitationMcGrain, Preston, and James C. Currens. Bibliography of Industrial and Metallic Minerals in Kentucky Through August 1973. Lexington: Kentucky Geological Survey, University of Kentucky, 1975.
MLA (8th ed.) CitationMcGrain, Preston, and James C. Currens. Bibliography of Industrial and Metallic Minerals in Kentucky Through August 1973. Kentucky Geological Survey, University of Kentucky, 1975.
Warning: These citations may not always be 100% accurate.