https://www.wvhistoryonview.org/catalog/009710https://www.wvhistoryonview.org/image/009710.jpgWood Derrick and Pump Station, Volcano, W. Va.Oil well drilling rigs--West Virginia--Volcano.Cities--Volcano--Matheny, H.E. Collection.'The horizontal boards on the pumping station are called walking beams. Walking beams converted the horizontal energy to vertical(up and down motion)energy to pull the oil to the surface. Volcano had two newspaper: a) Volcano Lubrication and b) West Virginia Walking Beam.'--Mike Naylor, 03/2006West Virginia History OnView