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2002. 2006-07-27T14:21:36Z. 2013-07-23T21:15:43Z. U.S. Dept. of the Interior, U.S. Geological Survey ; USGS Information Services. English. Public. Kentucky.
2002. 2005-05-05T18:59:58Z. 2013-07-23T21:15:07Z. USGS ; USGS Information Services, distributor. English. Public. North Carolina and South Carolina.
