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Topical Subjects
- Railroads--Bridges and Tunnels.3
- Cities--Harpers Ferry.2
- Counties--Jefferson.2
- Cities--Martinsburg.1
- Cities--Shepherdstown.1
- Coal Mines and Mining--Mine Facilities.1
- Coal trade--Maryland--Williamsport.1
- Formations (Geology)--West Virginia--Harpers Ferry.1
- Lumber-yards--Maryland--Williamsport.1
- Railroad bridges--Maryland--Maryland Heights.1
- Railroad bridges.1
- Railroad tunnels--Maryland--Maryland Heights.1
- Railroads--Potomac River.1
- Railroads--Scenes and Views.1
- Rivers--West Virginia--Martinsburg.1