I think we have had references to this organisation before, but of late they have been doing a little bit of exploring the parts of Accy & District that few of us get to see. There are some fasinating piccys. Unfortunatly, their geography and map recording is a little hazy, so you are not always sure where they - and you - are.
UK Urban Exploration Forums - Search Results
Hope this works. If not, then google the urban exploration forum 28days and search 'Accrington'.