books.google.co.uk - - Northumberland - Tyne and Wear - County Durham and Cleveland - Cumbria - York and North Yorkshire - South and West Yorkshire - Lancashire and the Isle of Man - Merseyside and Greater Manchester...http://books.google.co.uk/books/about/Civil_Engineering_Heritage.html?id=Bv2BrOMo8cIC&utm_source=gb-gplus-shareCivil Engineering Heritage
