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Close folding of rocks

MLA citation style
Ashley, G. H. (G. H. ). “Close Folding Of Rocks”. no date. 4115, 1931July .
APA citation style
Ashley, G. H. (G. H. ). (1931). Close folding of rocks. 4115. Retrieved from https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_3037
Chicago citation style
Ashley, Geo. H. (George Hall). “Close Folding Of Rocks”. 4115, Pennsylvania Geological Survey - Historical Photographs, July 17, 1931. https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_3037.
Note: These citations are programmatically generated and may be incomplete.