Redirected from Calder
At Wakefield, it is canalised and becomes the Calder and Hebble Navigation. It is also part of the Aire and Calder Navigation.
... size is 2.41 and the average family size is 2.88. In the town the population is spread out with 20.6% under the age of 18, 5.0% from 18 to 24, 26.8% from 25 to 44, ...