Blisworth of Blisworth Junction on the line to Towcester. The ore was taken to Scunthorpe and South Wales for smelting. A few traces of all of these quarries remain mainly in the form of depressed field levels and some buildings connected with the later quarry. Lastly another limestone quarry was opened near Rectory Farm west of the Towcester Road to provide stone for use in connection with construction of the M1 motorway. This remains and is now a nature reserve. Blisworth Blisworth is a village and civil parish in the South Northamptonshire district of Northamptonshire, England. The West Coast Main Line,
Indigo Tunnel of the parallel Baltimore and Ohio railroad line on the opposite side of the Potomac River. The tunnel was acquired by the National Park Service in 1980 and became part of Chesapeake and Ohio Canal National Historical Park. The Park Service has identified bat colonies living in the tunnel and has closed the tunnel to the public in order to protect the colonies. Indigo Tunnel Indigo Tunnel is an abandoned railroad tunnel in Allegany County, Maryland, located about east of Little Orleans. Built by the Western Maryland Railway (WM) in 1904, Indigo was the company's longest tunnel. It was part