sentences:  Off Tenterfields close to the canal were four 19th-century mills; Apperdale Mill (formerly Dyehouse Mill), Oaklea Mills, Valley Mills (Canal Mills) and Whitfield Mill.Apperdale Mill and Oaklea Mills survive close to the canal basin, which is now a pleasure boat marina.Since the 1990s housing has been built in the Tenterfields area between the canal up to Greengates.