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workings
Yes, the chamber opening at the bottom was not originally connected with the quarry, though as the quarry went down it was opened out. At some point I'll ask whether it's possible to take a look down there, though I was told it has a flooded section inside in which the water pumped from the quarry is left in the underground lake to settle the thick, dust from the quarry, from the water. the water flows out through a nearby adit, which is blocked after about 40 ft. The large gate is on top of the collapse and was originally the way in and out of the workings, until some people sneaked in whilst they were blasting.
posted by Linden on 16/11/2007
Pit
Elterwater was once a series of underground workings. But, having closed in the 50s... these workings were abandoned, and work started opening out a quarry. This quarry started at the main bank of the underground workings, and was followed into the velley-floor (because of the angle of bedding). At the bottom of the pit can be seen some underground workings. These were later cut into by the quarry, and are now used for the treatment of the wate coming out of the quarry as well as drainage. The original entrance (timbered one) was collapsed after some distace, when a road access level was built into the chambr for access, destroying the level below. This is now gated, apparently due to some people wondering in while blasting.
posted by Allan on 20/07/2007
Confusion
The name Elterwater seems to apply to a few quarries in the area. According to the Durham Mining Museum the two main quarries shown as 'ELterwater (new)' and 'Elterwater (old)' are the quarries in the Elterwater village, Elterwater (new) being the quarry still in oporation.
posted by Allan on 12/01/2007