All visible structure’s, from the towpath, that allow a passage for traffic across The River Thames from its source near Kemble in Gloucestershire to The Barrier in London, not including weirs, locks and other water management systems.                                                      9th -19th March 2013

[linear piece]

 

 

 

 

 

 

 

 

 

 

All the visible structure’s [from the towpath] that allow a passage for traffic across The River Thames from its source near Kemble in Gloucestershire to The Barrier in London, not including weirs, locks and other water management systems.