Well, I have to admit, I did not know that we dug for ironstone at Lincoln. I did find four websites that should interest our history buffs: List of Mines worked under the Coal Mines Regulation Act, in Lincolnshire, during the Year 1896. http://www.pdmhs.com/1896%20Lists/1896-44.htm Mid-Lincolnshire Ironstone Co. http://www.photrek.co.uk/greetwellironstone.html History of Scunthorpe http://www.visitoruk.com/Scunthorpe/?id=1096&cid=1207&f=Scunthorpe Peat cutting and mining http://www.lincstrust.org.uk/news/2013/11/13/level-best Lou (list admin.)