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
Grand Junction Canal canal from the Thames reached Two Waters near Hemel Hempstead in 1798, Bulbourne at the north end of the Tring summit in 1799, and Stoke Bruerne at the south end of Blisworth Tunnel the following year. Thus, with the exception of Blisworth Tunnel, the main line was fully open in 1800. To allow goods to cross the gap, a road was built in 1800 over the top of Blisworth hill and, later, upon the recommendation of committee member Joseph Wilkes, Benjamin Outram was contracted to build a tramway over the hill. James Barnes proposed that work begin again on the