1908. 2013-03-14T16:44:03Z. 2013-03-14T16:44:03Z. Martin, G. C. (George Curtis), 1875-1943. The Survey. English. Public. Maryland, Allegany County, Garrett County, Pennsylvania, Fayette County, Somerset County, West Virginia, Preston County, États-Unis, Pennsylvanie, and Virginie-occidentale.
Search Results
1977. 2016-06-07T14:20:19Z. 2016-08-20T21:14:15Z. Ludman, Allan. Maine Geological Survey. English. cartographic image. Public. Maine, Somerset County, and Somerset County.
1964. 2011-06-20T15:46:21Z. 2022-12-08T04:37:33Z. Espenshade, Gilbert H. (Gilbert Howry), 1912-. U.S. Geological Survey. English. Public. Maine, Piscataquis County, and Somerset County.
1914. 2013-03-14T18:35:24Z. 2021-04-01T17:30:30Z. Bayley, William Shirley, 1861-1943. The Survey. English. Public. New Jersey, Hunterdon County, Morris County, Somerset County, Sussex County, and Warren County.
1985. 2002-06-01T04:00:00Z. 2023-10-06T03:06:08Z. Geological Survey (U.S.). The Survey : [Books and Open-File Reports Section, distributor]. English. text. Public. Maine, Somerset County, and Franklin County.
1906. 2013-03-14T15:16:32Z. 2013-03-14T15:16:32Z. Shattuck, George Burbank, 1869-1934. The Survey. English. Public. Maryland, Calvert County, Dorchester County, St. Marys County, Somerset County, Virginia, Northumberland County, and États-Unis.