The coalfield was comparatively recent, however - mining only began there in 1983.
The increasing impact of this group on national life was identified with dissenting religion and with rapid changes in manufacturing and industry, especially in the coalfield areas.
With no new mines anticipated for the northern section of the coalfield the port's commodity hinterland had effectively vanished.
When the mine closed he moved to the Nottingham coalfield and stayed down there.
He was interested in the local rocks, and in 1791 set up for himself in the Somerset coalfield , where he was engaged in underground mine surveys and calculations of coal resources.
The trust, set up in 1990 to safeguard the site, is leading a scheme to regenerate the former coalfield area.
The bridge became redundant when the railway was diverted to avoid subsidence caused by the Selby coalfield .
When these pictures were taken, the Lancashire coalfield boasted over 350 mines.
Our argument is that the job situation in the coalfield areas is not as good as it looks from the figures.
In the Heshan coalfield , all coals show a strong marine influence, as indicated by the very high organic sulphur contents in the coals.