37704 & 37889 Grovesend Colliery Loop 2 October 1993

37704 & 37889 pass Grovesend Colliery Loop on 2 October 1993 with the Pathfinder Tours 1Z16 05:20 Preston to Cwmgwrach 'Neath Navigator' railtour. 37068 Grainflow & 37108 are bringing up the rear. The tour was returning from Coed Bach Washery.