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Surface clays and shales of Ohio : preliminary report on physical tests and properties; investigation in cooperation with the Geological Survey of Ohio
- "Surface clays and shales of Ohio : preliminary report on physical tests and properties; investigation in cooperation with the Geological Survey of Ohio"
- "Surface clays and shales of Ohio : preliminary report on physical tests and properties"
- "Surface clays and shales of Ohio, preliminary report on physical tests and properties... by Chester R. Austin"
- "Surface clays and shales of Ohio; preliminary report on physical tests and properties"