If you have any miners in your family who worked in Scotland, then this website has a wealth of information: Code: http://www.scottishmining.co.uk/index.html
Ah, I have plenty miners (Somerset, Durham/Northumberland, Wales) but not so far in Scotland, still very interesting
Oops, already got this one in my computer bookmarks. You know, that place where you bookmark good websites and promptly forget that you have.