HARTLEY MAIN COLLIERIES - 2-6-0 LOCO. NO. 16 - PHOTO #F2820
HARTLEY MAIN COLLIERY - 0-6-0 NO. 3 WITH TRAIN OF EMPTIES - PHOTO #F883
NCB - HARTLEY MAIN COLLIERY - 0-6-0T LOCO. "NO. 9" - PHOTO #F2009
HARTLEY MAIN COLLIERIES - 0-6-0 LOCO. NO. 3 - PHOTO #F2822
HARTLEY MAIN COLLIERIES - 0-6-0ST LOCO. NO. 12 - PHOTO #F2821
HARTLEY MAIN COLLIERY - 0-6-0 NO. 20 ( EX GNR) - PHOTO #F881