Inners, J. D. (1981). Geology and mineral resources of the Bloomsburg and Mifflinville quadrangles and part of the Catawissa quadrangle, Columbia County, Pennsylvania. Bureau of Topographic and Geologic Survey.
Chicago Style (17th ed.) CitationInners, Jon D. Geology and Mineral Resources of the Bloomsburg and Mifflinville Quadrangles and Part of the Catawissa Quadrangle, Columbia County, Pennsylvania. Harrisburg: Bureau of Topographic and Geologic Survey, 1981.
MLA (9th ed.) CitationInners, Jon D. Geology and Mineral Resources of the Bloomsburg and Mifflinville Quadrangles and Part of the Catawissa Quadrangle, Columbia County, Pennsylvania. Bureau of Topographic and Geologic Survey, 1981.
Warning: These citations may not always be 100% accurate.