1891. 2011-06-01T13:44:41Z. 2015-10-21T15:00:11Z. U.S. Geological Survey. English. Public. Cumberland County (Tenn.), Loudon County (Tenn.), McMinn County (Tenn.), Meigs County (Tenn.), Morgan County (Tenn.), Rhea County (Tenn.), Roane County (Tenn.), and Tennessee.
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1892. 2011-06-01T14:01:45Z. 2015-10-21T15:00:11Z. U.S. Geological Survey. English. Public. Bledsoe County (Tenn.), Cumberland County (Tenn.), Grundy County (Tenn.), Rhea County (Tenn.), Sequatchie County (Tenn.), Tennessee, Van Buren County (Tenn.), and White County (Tenn.).
