Hi John, There's a strong probability it was me who left it there,we had an arse of a time with those rails,especially in the Bowydd fault,we pulled them out and replaced them with rails from between the mill and the balance incline down to the Maen office, we where orange in colour...but we had good rails .Did the jimcro you refer to have a large round 'head' where you put the crowbar in to turn,if so, 'I' not we, but 'I' carried that BARSTEWARD from deep underground in Llechwedd on one of our salvage trips,the lads said I was mad, a fool, and a bloody farmer 😉 If not, its down there somewere 😉
Have you got any blocks boy?