The Sleaford Navigation was a 12.5-mile canalisation of the River Slea in Lincolnshire, England, which opened in 1794. It ran from a junction with the River Witham, near Chapel Hill to the town of Sle
The derelict chamber at Haverholme Lock awaiting restoration
The road bridge just below Haverholme Lock
The flood gates at the entrance to the Navigation, designed to close as levels in the River Witham rise
Remains of the Lock chamber at Cogglesford Mill. The upstream gate has been replaced with a sluice to maintain the head for the mill, which is still in use.
The River Slea is a 36.4-kilometre-long tributary of the River Witham, in Lincolnshire, England. In 1872 the river was described as "a never-ending source of pure water", and was a trout river renowne