Cwmorthin chamber 7 East, floor C, looking up at the bridge spanning floor B. This section of the mine was flooded between 1902 and 1937, prior to Lefel Ffrench being driven from Oakeley to drain millions of gallons of water to allow working of the Z chambers.
This photograph is by simonrl and was uploaded June 26th 2007. © simonrl please do not copy or distribute without prior express permission.
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