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Topical Subjects
- Road rollers.2
- Roads, Brick--Pennsylvania--Beaver Falls--Design and construction.2
- Roads, Brick--West Virginia--Williamson--Design and construction.5
- Roads--Design and construction.4
- Roads--Pennsylvania--Beaver Falls--Design and construction.12
- Roads--West Virginia--Morgantown--Design and construction.4
- Roads--West Virginia--Ritchie County--Design and construction.9
- Roads--West Virginia--Ritchie County.7
- Roads--West Virginia--Wadestown--Design and construction.1
- Roads--West Virginia--Williamson--Design and construction.28
- Sidewalks--Pennsylvania--Beaver Falls--Design and construction.2
- Steam-engines--Pennsylvania--Beaver Falls.1
- Storage facilities--Pennsylvania--Beaver Falls.1
- Storage facilities--West Virginia--Williamson.1
- Streets--Pennsylvania--Beaver Falls--Design and construction.1
- Surveyors--Pennsylvania--Beaver Falls.1