History of Northwich were looking for coal, but instead discovered rock salt, in the grounds of the family home, Marbury Hall, to the north of Northwich. Soon salt mining started again. This mining area is now known as Dairy House Meadow. By 1732 the River Weaver was improved from Frodsham Bridge to Winsford Bridge and eventually allowed vessels up to to travel up to Northwich Bridge. This allowed salt to be transported by boat rather than cart. The Trent and Mersey Canal, opened in 1775, passed to the north of Northwich because of objections from the trustees of the Weaver Navigation. However, the
Ashton-in-Makerfield Lancashire Coalfield, and so was a coal mining district. The name Ashton derives from Old English and means the "farmstead where the ash-trees grow"; it is a common name and is found locally in Ashton-under-Lyne in Tameside and Ashton upon Mersey in Trafford. The town's name was recorded as "Eston" in 1212. Later, the suffix "in-Makerfield" was added, which relates the name of the old district of Makerfield of which Ashton was a part; Makerfield derives from the Celtic for a wall or ruin and the Old English word "feld", meaning "open land". St Thomas' Church of England parish church