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- Water-resources investigations report49
- Scientific investigations map16
- Water-resources investigations3
- Open-file report2
- A history of East Central Europe1
- HeinOnline slavery in America and the world: history, culture & law1
- Scientific investigations report1
- U. S. Geological Survey scientific investigations map1
- U.S. Geological Survey miscellaneous field studies1
- U.S. Geological Survey open-file report1
- U.S. Geological Survey water-resources investigations report1
- Water resources investigation / U.S. Geological Survey1