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Loyalhanna limestone (upper half of rock exposure) in contact with top of Pocono sandstone

MLA citation style
Ashley, G. H. (G. H. ). “Loyalhanna Limestone (Upper Half Of Rock Exposure) In Contact With Top Of Pocono Sandstone”. no date. 1112, 1923Aug. .
APA citation style
Ashley, G. H. (G. H. ). (1923). Loyalhanna limestone (upper half of rock exposure) in contact with top of Pocono sandstone. 1112. Retrieved from https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_784
Chicago citation style
Ashley, Geo. H. (George Hall). “Loyalhanna Limestone (Upper Half Of Rock Exposure) In Contact With Top Of Pocono Sandstone”. 1112, Pennsylvania Geological Survey - Historical Photographs, August 21, 1923. https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_784.
Note: These citations are programmatically generated and may be incomplete.