Company of Proprietors of the Calder and Hebble Navigation
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Maps and plans of the Calder and Hebble Navigation
BW85/5/8
"Plan of the River Calder at Wakefield"
Shows Thorns cut with the flood gates and Thorns Lock; also Fall Ing Cut with the position of two new locks and new flood gates. Stamped "Calder and Hebble Navigation". T Bradley, engineer.
February 1811
BW85/5/8
1 sheet