History: Miners putting up a wooden pit prop in an underground coal mine, England, 1950s [500×523]

https://www.ncm.org.uk/system/uploads/image_content/image/1045/P10878-_miners_putting_up_a_wooden_pit_prop.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/m2yrko/miners_putting_up_a_wooden_pit_prop_in_an/?utm_source=ifttt