1908. 2011-05-27T18:48:28Z. 2011-05-27T18:48:28Z. Geological Survey (U.S.). The Survey. English. Public. Albany County (Wyo.), Carbon County (Wyo.), Jackson County (Colo.), and Wyoming.
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212. Youngstown
1908. 2011-12-12T21:35:03Z. 2022-03-29T20:40:26Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio and Pennsylvania.