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Characteristic cross-lamination of "hard slate"

MLA citation style
Ashley, G. H. (G. H. ). “Characteristic Cross-Lamination Of "hard Slate"”. no date. 1402, 1924Aug. .
APA citation style
Ashley, G. H. (G. H. ). (1924). Characteristic cross-lamination of "hard slate". 1402. Retrieved from https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_1059
Chicago citation style
Ashley, Geo. H. (George Hall). “Characteristic Cross-Lamination Of "hard Slate"”. 1402, Pennsylvania Geological Survey - Historical Photographs, August 1, 1924. https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_1059.
Note: These citations are programmatically generated and may be incomplete.