 The flight headed to the south-west, while the Extension Canal ran from the north-west to the south-east at this point.Washbrook Lane crossed the Extension Canal just to the south of the junction at High Bridge, and just beyond that was Leacroft Wharf, its entrance crossed by a towpath bridge.It served the Cannock and Leacroft Colliery, to which it was connected by a short tramway, which ran through a tunnel as it left the wharf in 1902.