https://www.wvhistoryonview.org/catalog/038738https://www.wvhistoryonview.org/image/038738.jpgPlans of Structural Sections of Diesel TowboatBollinger; Charleston, West Virginia1927/12/24Towboats.Engineering drawings.Boats.Drawn plans of structural sections of a diesel towboat created by The Charles Ward Engineering Works in Charleston, West Virginia.West Virginia History OnView