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Connellsville sandstone

MLA citation style
Johnson, M. E. “Connellsville Sandstone”. no date. 1002, 1922Oct. .
APA citation style
Johnson, M. E. (1922). Connellsville sandstone. 1002. Retrieved from https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_698
Chicago citation style
Johnson, Meredith E. “Connellsville Sandstone”. 1002, Pennsylvania Geological Survey - Historical Photographs, October 15, 1922. https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_698.
Note: These citations are programmatically generated and may be incomplete.