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Start Over You searched for: Author Geological Survey (U.S.) Remove constraint Author: Geological Survey (U.S.) Spatial Coverage Christiansburg (Va.) Remove constraint Spatial Coverage: Christiansburg (Va.)

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1928. 2011-05-27T19:51:19Z. 2015-10-21T15:00:04Z. Geological Survey (U.S.). Dept. of the Interior, U.S. Geological Survey. English. Public. Botetourt County (Va.), Christiansburg (Va.), Craig County (Va.), Floyd County (Va.), Franklin County (Va.), Giles County (Va.), Monroe County (W. Va.), Montgomery County (Va.), Roanoke County (Va.), Virginia, and West Virginia.
1891. 2011-05-27T19:53:49Z. 2015-10-21T15:00:04Z. Geological Survey (U.S.). The Survey. English. Public. Botetourt County (Va.), Christiansburg (Va.), Christiansburg Region (Va.), Craig County (Va.), Floyd County (Va.), Franklin County (Va.), Giles County (Va.), Montgomery County (Va.), Roanoke County (Va.), Virginia, and West Virginia.