Stone, R. W. 1. (1932). Geology and mineral resources of Greene County, Pennsylvania. Harrisburg, PA: Dept. of Internal Affairs, Topographic and Geologic Survey.
Chicago Style CitationStone, Ralph W. 1876-1964. Geology and Mineral Resources of Greene County, Pennsylvania. Harrisburg, PA: Dept. of Internal Affairs, Topographic and Geologic Survey, 1932.
MLA CitationStone, Ralph W. 1876-1964. Geology and Mineral Resources of Greene County, Pennsylvania. Harrisburg, PA: Dept. of Internal Affairs, Topographic and Geologic Survey, 1932.
Warning: These citations may not always be 100% accurate.