Hi all I have done some work on early coal and iron mine sites in area immediatley to the west of your site. My work published to date is in the Lune Valley, and I am curently working upper Ribblesdale. A sample of the slag would be useful for comparison with ones in my collection. Cheers. Phil Hudson, Procter Ho, Kirkgate, Settle. N.Yorks. UK. Editor Yorkshire and Lancashire History Quarterlies. Books, desktop publishing, landscape research, more info on Web site at http://www.users.daelnet.co.uk/hudson-history/index %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%