Topical Subjects
- Harbors--Pennsylvania--Pittsburgh.1
- Historical markers--West Virginia--Marion County.1
- Historical markers--West Virginia--Monongalia County.1
- Horse-drawn vehicles--West Virginia--Morgantown.1
- Iron and steel bridges--West Virginia--Fairmont.1
- Iron and steel bridges--West Virginia--Morgantown1
- Iron and steel bridges--West Virginia--Star City--Design and construction.1
- Labor Day--West Virginia--Morgantown.1
- Locks (Hydraulic engineering)--Monongahela River (W. Va. and Pa.)--Design and construction.1
- Locks (Hydraulic engineering)--West Virginia--Fairmont.1
- Lumber trade--West Virginia--Morgantown.1
- Lumber----West Virginia--Morgantown.1
- Lumber--West Virginia--Morgantown.1
- Mills and mill work--West Virginia--Morgantown.1
- Mountains--West Virginia.1
- Music-halls--West Virginia--Morgantown.1
- Non-WV--Pennsylvania.1
- Personal rapid transit--West Virginia--Morgantown.1
- Power-plants--West Virginia--Maidsville.1
- Power-plants--West Virginia--Morgantown.1