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Topical Subjects
- Bridges--West Virginia--Ritchie County--Design and construction.1
- Cities--Morgantown--Construction Projects.1
- Cities--Morgantown--Pietro Collection--Business and Industry--Beaver Falls, PA.87
- Cities--Morgantown--Pietro Collection--Business and Industry--Ritchie County.24
- Cities--Morgantown--Pietro Collection--Business and Industry--Williamson.51
- Cities--Morgantown--Pietro Collection--Business and Industry.47
- Cities--Morgantown--Pietro Collecton--Portraits.7
- Construction workers--Pennsylvania--Beaver Falls.1
- Construction workers--West Virginia--Morgantown.4
- Ditches--Pennsylvania--Beaver Falls--Design and construction.1
- Dwellings--Pennsylvania--Beaver Falls.3
- Dwellings--West Virginia--Morgantown.5
- Dwellings--West Virginia--Ritchie County.2
- Dwellings--West Virginia--Williamson.6
- Factories--Pennsylvania--Beaver Falls.4
- Football--West Virginia--Morgantown.4
- Formations (Geology)--West Virginia--Williamson.1
- Freight cars--West Virginia--Morgantown.2
- Freight cars--West Virginia--Ritchie County.3
- Freight cars.1