above the town to Oldbridge; and barges of 50 tons burden can proceed 19 m.
The Thames is navigable for rowing-boats as far upwards as Cricklade, except in dry seasons, and for barges at all times as far as Lechlade, 18 m.
After a three weeks' carnival of blood and debauchery Razin quitted Astrakhan with two hundred barges full of troops to establish the Cossack republic along the whole length of the Volga, as a preliminary step towards advancing against Moscow.
The river at present begins to be navigable for barges at Ratibor, where it is about loo ft.
Barges of 600 tons register can be towed from the lower Danube to Regensburg.