Roman Cumbria to Wallsend on the Tyne estuary, with additional military installations running down the Cumbrian coast from Bowness to Risehow, south of Maryport, in an integrated fashion (and with forts at Burrow Walls and Moresby that were perhaps not part of the system). Historians believe that the Turf Wall from the River Irthing to Bowness-on Solway was rebuilt in stone in two stages. The most easterly five miles were rebuilt at the time of Hadrian, with the remainder being rebuilt after 150 AD. However, this is open to dispute: it is uncertain whether the building works in the second half of
Solway Firth financial success. After the railway ceased operating, the bridge provided a popular footpath for residents of Scotland (which was dry on a Sunday) to travel to England where alcoholic drink was available. The viaduct was demolished between 1931 and 1933. The Ministry of Defence had by 1999 fired more than 6,350 depleted uranium rounds into the Solway Firth from its testing range at Dundrennan Range. The adjacent Irish Sea is a carrier of radioactive pollution as Sellafield is nearby. Solway Firth The Solway Firth () is a firth that forms part of the border between England and Scotland, between Cumbria