Blisworth Limestone Formation relationship to the Jurassic ridge, to the west of Peterborough. (BGS sheet 157) Around Towcester it reaches a thickness of 9m. (Hains & Horton p. 85) Blisworth limestone is used as a building material, in particular as blocks of stone. Lilford Hall in Northamptonshire is made from Blisworth limestone. Blisworth Limestone Formation The Blisworth Limestone Formation is a geological formation primarily consisting of limestone deposited during the Bathonian stage of the Middle Jurassic, found in the Jurassic ridge which extends north and south through England. It was laid down in the shallows of the Jurassic sea and is part of
Lapal Tunnel the canal is in good repair and is used by boats accessing Hawne basin. The Lapal Canal Trust is concerned with restoring the lost canal to make it navigable up to the tunnel from both the Halesowen and Selly Oak ends, and originally had a longer term aim of restoring the tunnel. In May 2007 the trust received recommendations from professional consultants, Atkins, that the tunnel should not be restored but replaced by a new up-and-over alignment instead. In February 2012 plans for the regeneration of the Selly Oak area were submitted to Birmingham City Council which included a navigable