Spatial Coverage: Northumberland County - Yale University Library GeoBlacklight Search Results

11. Ownership and topographic map of the southwestern part of the Mount Carmel quadrangle, Pennsylvania [cartographic material]

1951. 2018-06-22T19:08:03Z. 2018-09-05T20:09:18Z. Geological Survey (U.S.). Interior--Geological Survey. English. cartographic image. Public. Pennsylvania, Northumberland County, Mount Carmel Region, Northumberland County (Pa.), Pennsylvania., Mount Carmel Region., and Northumberland County.

12. St. Marys folio, Maryland-Virginia

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.

13. Surficial geology, Lindsay-Peterborough area, Durham, Peterborough, Victoria, Northumberland, and Ontario counties, Ontario [cartographic material]

1959. 2012-09-27T17:03:48Z. 2021-10-01T21:33:42Z. Gravenor, C. P. The Survey. English. Public. Ontario, Durham County, Peterborough (County), Victoria (County), Northumberland County, and Ontario County.