Region
- Pennsylvania 71 results
- United States 34 results
- Maryland 25 results
- Philadelphia 18 results
- Delaware 17 results
- New Jersey 9 results
- Baltimore 6 results
- New York (State) 6 results
- Ohio 5 results
- Penn 5 results
- Baltimore (Md.) 4 results
- Virginia 4 results
- West Virginia 4 results
- Philadelphia (Pa.) 3 results
- Delaware River 2 results
- East River 2 results
- Honesdale (Pa.) 2 results
- New England 2 results
- Northeastern States 2 results
- Wayne County 2 results
- Wayne County (Pa.) 2 results
- Atlantic City 1 results
- Atlantic States 1 results
- Carbondale (Pa.) 1 results
- Chesapeake and Ohio Canal (Md. and Washington, D.C.) 1 results
- Finger Lakes Region 1 results
- Florence (N.J.) 1 results
- Great Britain 1 results
- Hoosac Tunnel (Mass.) 1 results
- Hudson River (N.Y. and N.J.) 1 results
- Jefferson Co 1 results
- Kansas 1 results
- Kent Co 1 results
- Kentucky 1 results
- Lackawanna and Susquehanna Railroad Company 1 results
- Little Creek Neck 1 results
- Long Beach (N.J.) 1 results
- Louisville 1 results
- Middle Atlantic States 1 results
- Middle West 1 results
- Missouri 1 results
- North River 1 results
- Ohio River Valley 1 results
- Ontario County (N.Y.) 1 results
- Schuylkill County, Pa 1 results
- Schuylkill River (Pa.) 1 results
- Shelby 1 results
- Sixth Street Skew Arch Bridge (Reading, Pa.) 1 results
- Staten Island (New York, N.Y.) 1 results
- Syracuse 1 results more…