sentences:  Bosley railway station was located by lock 5, and the railway passed through Leek to reach Uttoxeter.Part of it is now preserved as the Churnet Valley Railway.Because of the short distances between the locks, most of the intervening pounds are extended sideways, in order to increase their volume, and lessen the changes in level when a lock full of water is emptied into the pound by a boat descending the flight or removed from the pound to fill the lock below as a boat ascends.