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Colonial Slate Company, showing east wall of quarry

MLA citation style
Ashley, G. H. (G. H. ). “Colonial Slate Company, Showing East Wall Of Quarry”. no date. 2751, 1928Apr. .
APA citation style
Ashley, G. H. (G. H. ). (1928). Colonial Slate Company, showing east wall of quarry. 2751. Retrieved from https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_2231
Chicago citation style
Ashley, Geo. H. (George Hall). “Colonial Slate Company, Showing East Wall Of Quarry”. 2751, Pennsylvania Geological Survey - Historical Photographs, April 26, 1928. https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_2231.
Note: These citations are programmatically generated and may be incomplete.