From 1966 coal was no longer brought to the surface at Woodhorn but went by underground conveyor to Ashington Colliery. The screening plant was demolished and the two steam powered winding engines were replaced by a less powerful electric winder.
Throughout the 1970s coal production was confined to the lower, thinner seams and with this production and manpower steadily dropped, until production finally ended in February 1981. The winding engines and shafts remained in use, as they were vital to the operations of Ashington Colliery, but these too closed in October 1986.
Clearance and reclamation began on parts of the site during this winding down period, and continued after final closure. Four pit ponies were brought back to Woodhorn Colliery to assist with salvage underground. Equipment and useful items from across the complex were removed and plans were made to turn the site into a museum dedicated to the history of coal mining.
The landscape of the colliery changed drastically, spoil heaps and ponds were removed or filled, railway sidings were dismantled and buildings demolished.
The image gallery below shows objects and photographs dating to this time.
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