There is already a large website which covers the ironstone history of blisworth. We would much rather support this good site that already exists.They have constructed a map to help you see where old work sites, p o I use to be . A information page , then 3 pages of historical images .
http://www.blisworth.org.uk/images/Ironston-part1.htm
Bgs archive photo showing blisworth ironstone pit geology