1900. 2011-12-12T21:28:41Z. 2022-03-29T20:39:35Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maryland, Pennsylvania, and West Virginia.
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1900. 2011-05-16T15:21:43Z. 2015-10-21T14:59:14Z. U.S. Geological Survey. English. Public. Alabama, Cherokee County (Ala.), Dekalb County (Ala.), and Etowah County (Ala.).
1900. 2011-12-12T21:33:12Z. 2022-03-29T20:40:11Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New York.
1900. 2011-12-12T21:28:42Z. 2022-03-29T20:39:36Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maryland.
5. Blackstone
1900. 2011-12-12T21:28:55Z. 2022-03-29T20:39:40Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Massachusetts and Rhode Island.
6. Bolton, N.Y.
1900. 2011-12-12T21:33:15Z. 2022-03-29T20:40:12Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New York.
7. Bucksport
1900. 2011-12-12T21:28:04Z. 2022-03-29T20:39:32Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maine.
1900. 2011-05-19T17:54:25Z. 2011-05-19T17:54:25Z. U.S. Geological Survey. English. Public. California, Yuba County (Calif.), Butte County (Calif.), Nevada County (Calif.), Placer County (Calif.), and Sierra County (Calif.).
1900. 2011-05-19T14:22:20Z. 2011-05-19T14:22:20Z. U.S. Geological Survey. English. Public. California and San Luis Obispo County (Calif.).
1900. 2011-12-12T21:33:16Z. 2022-03-29T20:40:12Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New York.