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River bottom and glacial hill

MLA citation style
Ashley, G. H. (G. H. ). “River Bottom And Glacial Hill”. no date. 3867, 1931Feb. .
APA citation style
Ashley, G. H. (G. H. ). (1931). River bottom and glacial hill. 3867. Retrieved from https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_2900
Chicago citation style
Ashley, Geo. H. (George Hall). “River Bottom And Glacial Hill”. 3867, Pennsylvania Geological Survey - Historical Photographs, February 24, 1931. https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_2900.
Note: These citations are programmatically generated and may be incomplete.