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
Stad Ship Tunnel Norwegian Coastal Administration concluded that a tunnel would not be economical. It looked at two sizes, small and large, which would cost respectively. The report concluded that the utility, including saved waiting costs, for shippers have a present value of , respectively, and in saved accident costs. A similar report from 2007 concluded that the tunnel would be economical. The Coastal Administration stated that the differences were because of new and better data. Stad Ship Tunnel The Stad Ship Tunnel () is a proposed canal and tunnel to bypass the Stad peninsula in Selje Municipality in Sogn og Fjordane county,