"Parkersburg Oil & Gas well drilling equipment : wooden and steel tankage."; "Parkersburg Rig and Reel Company (Parkersburg, W. Va.)"; "Oil well drilling rigs--Catalogs.", "Gas wells--Equipment and supplies--Catalogs.", "Oil wells--Equipment and supplies--Catalogs."; "Parkersburg Rig and Reel Company (Parkersburg, W. Va.)"; "1921"; "

Monograph.

"; ""; "P7288"; "pec"; "Oil wells--Equipment and supplies--Catalogs.", "Oil well drilling rigs--Catalogs.", "Gas wells--Equipment and supplies--Catalogs."; "14256"; .