Discovering the Bedrock and Glacial Geologic History of Pymatuning Lake State Park, Ashtabula County, Ohio

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Timko, S., & Amerin, N. (2016). Discovering the Bedrock and Glacial Geologic History of Pymatuning Lake State Park, Ashtabula County, Ohio. https://oaks.kent.edu/node/5132
Timko, Sam, and Nicholas Amerin. 2016. “Discovering the Bedrock and Glacial Geologic History of Pymatuning Lake State Park, Ashtabula County, Ohio”. https://oaks.kent.edu/node/5132.
Timko, S., and N. Amerin. Discovering the Bedrock and Glacial Geologic History of Pymatuning Lake State Park, Ashtabula County, Ohio. 6 Apr. 2016, https://oaks.kent.edu/node/5132.