Les
Sorry to reply to list as my message to your email addressed bounced
("account has been disabled or discontinued")
I know some bits about this; having done by Ph.D on the structural controls
of fluorspar in the N. Pennines in 1981. I worked mainly on the British
Steel mines. There was a recent publication on the mining in this period.
Martin
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Dr. Martin Critchley, Remote Sensing Manager, ERA-Maptec Ltd, 36 Dame
Street, Dublin 2, Ireland
Tel. +353(01)6330516 Fax. +353(01)6799798
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