1951. 2018-06-22T19:01:18Z. 2018-09-05T20:08:55Z. Rothrock, Howard Eugene, 1893-. U.S. Dept. of the Interior, Geological Survey. English. cartographic image. Public. Pennsylvania, Northumberland County, and Northumberland County.
Search Results
1953. 2018-06-21T19:58:36Z. 2018-06-21T19:58:36Z. Haley, Boyd Raymond, 1922-. Dept. of the Interior, U.S. Geological Survey. English. cartographic image. Public. Pennsylvania, Columbia County, Schuylkill County, Columbia County., and Schuylkill County.
1964. 2011-06-14T20:18:11Z. 2012-02-13T19:48:27Z. Berryhill, Henry L. (Henry Lee), 1921-. U.S. Geological Survey. English. Public. Pennsylvania, Washington County, and Greene County.
1953. 2011-11-29T20:50:13Z. 2021-09-03T21:33:11Z. Stose, George Willis, 1869-1960. U.S. Geological Survey. English. Public. Pennsylvania.
1964. 2011-06-20T17:30:58Z. 2012-02-14T23:38:56Z. Berryhill, Henry L. (Henry Lee), 1921-. The Survey. English. Public. Pennsylvania, Washington County, and Greene County.
1961. 2011-05-03T17:24:18Z. 2014-06-10T22:08:04Z. Drake, Avery A., 1927-. U.S. Geological Survey. English. Public. Pennsylvania, Bucks County, New Jersey, and Hunterdon County.
1964. 2011-06-20T17:39:11Z. 2012-02-14T23:38:56Z. Swanson, Vernon Emanuel, 1922-. The Survey. English. Public. Pennsylvania and Washington County.
1964. 2011-06-07T19:49:36Z. 2012-02-14T00:29:49Z. Berryhill, Henry L. (Henry Lee), 1921-. The Survey. English. Public. Pennsylvania and Washington County.
229. Germantown, Penn
1899. 2011-12-12T21:36:14Z. 2022-03-29T20:40:33Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Pennsylvania.
230. Gettysburg, Penn
1908. 2011-12-12T21:36:14Z. 2022-03-29T20:40:33Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Pennsylvania.
