341. Marienville, Penn
1941. 2011-12-12T21:36:22Z. 2022-03-29T20:40:34Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Pennsylvania.
Search Results
1904. 2012-07-24T15:07:35Z. 2012-07-24T15:07:35Z. U.S. Geological Survey. English. Public. Maryland, Garrett County (Md.), Allegany County (Md.), Pennsylvania, and Somerset County (Pa.).
1912. 2012-07-24T14:48:05Z. 2012-07-24T14:48:05Z. U.S. Geological Survey. English. Public. Maryland, Washington County (Md.), Frederick County (Md.), Pennsylvania, and Franklin County (Pa.).
1911. 2012-08-07T18:39:50Z. 2013-03-18T22:10:06Z. U.S. Geological Survey. English. Public. Maryland, Carroll County (Md.), Frederick County (Md.), Pennsylvania, and Adams County (Pa.).
1900. 2012-06-29T14:08:07Z. 2017-05-09T13:36:39Z. U.S. Geological Survey. English. Public. Maryland, Washington County (Md.), Allegany County (Md.), West Virginia, Morgan County (W. Va.), Hampshire County (W. Va.), Pennsylvania, Bedford County (Pa.), and Fulton County (Pa.).
1972. 2012-07-06T17:55:30Z. 2022-07-15T21:38:35Z. Geological Survey (U.S.). The Survey. English. Public. Maryland and Pennsylvania.
347. Masontown, Penn
1935. 2011-12-12T21:36:22Z. 2022-03-29T20:40:34Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Pennsylvania.
1902. 2013-03-13T19:17:30Z. 2013-03-13T19:17:30Z. Campbell, Marius Robinson, 1858-1940. U.S. Geological Survey. English. Public. Pennsylvania.
349. Mauch Chunk, Penn
1924. 2011-12-12T21:36:23Z. 2022-03-29T20:40:34Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Pennsylvania.
350. McCalls Ferry, Penn
1912. 2011-12-12T21:36:23Z. 2022-03-29T20:40:34Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Pennsylvania.
