NAVIGABLE RIVERS AXD CANALS. Q6& 
men, ten, twelve, or more, sometimes, at a barge; but 
lately, horses have been introduced, and it is now not 
uncommon, to see a horse assisting a smaller number 
of men in this business; when the wind is favourable, 
or down the stream, no haulage is necessary. 
Several attempts have been made to remove the 
shoals, and the first engineers of the kingdom have 
been consulted upon it to little purpose ; for, if one of 
the shoals be removed another forms in its stead ; pub¬ 
lic works have been erected to contract the river in 
the shallows, and thus deepen the water, but were 
afterwards indicted as a nuisance and removed by au¬ 
thority. The best remedy seems to be to remove the 
shoals gradually as they form or increase, and to keep 
the middle of the channel as regular and uniform as 
possible ; when the autumnal rains fall, the perfect na¬ 
vigation of the river is restored. 
The Avon is also navigable for barges, from its 
junction with the Severn near Tewkesbury, upwards 
through Pershore and Evesham for twenty miles or 
upwards, and to Stratford-upon-Avon. Locks have 
been introduced upon this river to render it at all times 
navigable. 
The Teme is also navigable for barges, from its 
junction with the Severn near Powick, upwards to 
a small distance above Powick Bridge. The river, 
having considerable declivity, its navigation is soog 
interrupted by shoals and shallows. 
The Stour is also navigable for some small distance, 
and forms a navigable communication between dif¬ 
ferent iron works on the lower part of that river. • 
The navigable canals, which are a work of modern 
times, are, 1. The Trent and Severn, or, as it is more 
commonly called, the Staffordshire and W orcestershire 
canal; 
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