Shaulis, J. R. (1985). Coal resources of Fayette County, Pennsylvania. Pennsylvania Geological Survey.
Chicago Style (17th ed.) CitationShaulis, James R. Coal Resources of Fayette County, Pennsylvania. Harrisburg: Pennsylvania Geological Survey, 1985.
MLA (8th ed.) CitationShaulis, James R. Coal Resources of Fayette County, Pennsylvania. Pennsylvania Geological Survey, 1985.
Warning: These citations may not always be 100% accurate.