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Series of sinkholes in cross-section along Interstate 80

MLA citation style
Bolles, W. H. “Series Of Sinkholes In Cross-Section Along Interstate 80”. no date. 8264, 1970.
APA citation style
Bolles, W. H. (1970). Series of sinkholes in cross-section along Interstate 80. 8264. Retrieved from https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_2307
Chicago citation style
Bolles, William H. “Series Of Sinkholes In Cross-Section Along Interstate 80”. 8264, Pennsylvania Geological Survey - Historical Photographs, 1970. https://digitalarchives.powerlibrary.org/papd/islandora/object/papd%3Aspgsl-photo_2307.
Note: These citations are programmatically generated and may be incomplete.