Pye Hill Colliery weekly wages costs book Recording the breakdown of weekly costs from weeks ending 12 Apr 1947 to 29 Apr 1950: comprising costs for face work (broken down by seam panel for filling, cutting, boring, packing, dismantling, erecting, ripping and oddwork), transport (subsidiary and main roads), maintenance (subsidiary and main roads), development, special work, other underground work (pumping, deputies and overmen, other), winding and banking, traffic (railway, lorry, ropeway), coal preparation (screens and dry cleaners, washer), power, maintenancc (colliery, central shops major repairs), guaranteed wages (face, underground), with shift numbers, and totals and averages on right hand side. Apr 1947-Apr 1950