Topical Subjects
- Oil wells--Maintenance and repair.1
- Oil wells--West Virginia--Cornwallis.1
- Oil wells--West Virginia--Folsom.1
- Oil wells--West Virginia--Harrisville.1
- Oil wells--West Virginia--Lincoln County.1
- Oil wells--West Virginia--Ritchie County.1
- Oil wells--West Virginia--Tyler County.1
- Oil wells--West Virginia--Wallace.1
- Oil wells--West Virginia--Webster Springs.1
- Oil wells--West Virginia--Wetzel County.1
- Petroleum industry and trade--Pennsylvania--Mount Morris.1
- Petroleum industry and trade--West Virginia--Bluecreek.1
- Petroleum industry and trade--West Virginia--Cornwallis.1
- Petroleum industry and trade--West Virginia--Doddridge County.1
- Petroleum industry and trade--West Virginia--Harrisville.1
- Petroleum industry and trade--West Virginia--Ritchie County.1
- Petroleum industry and trade--West Virginia--Sistersville.1
- Petroleum industry and trade--West Virginia--Webster Springs.1
- Pipelines--West Virginia--Marion County.1
- Pipes.1