Keywords: Warwick Bar stop lock.svg Diagram of Warwick Bar stop lock on the Digbeth Branch Canal and the Grand Union Canal in Birmingham England In recent years all gates have been chained open as canals on both sides are under common administration by British Waterways and the water levels are maintained at the same level self-made on Corel Draw X3 2007-06-21 Oosoom Canal and dam-related diagrams Canal locks on the Grand Union Canal Files by User Oosoom from en wikipedia/Non-CC licences Canal locks on the Digbeth Branch Canal Canal locks in the West Midlands |