History: Scrap cars being used for erosion control along the Willamette River, Oregon, 1939. [1225 × 825]

https://i.imgur.com/jkN61UK.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/9ic3n1/scrap_cars_being_used_for_erosion_control_along/?utm_source=ifttt