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
Nantwich Act 1972 replaced urban district and rural district councils with a uniform system of larger districts often covering both urban and rural areas. Some town administration responsibilities of Nantwich Urban District Council passed to Nantwich Town Council, while Nantwich Rural District Council responsibilities passed to the combined Crewe and Nantiwch borough. Since 1983, Nantwich has been in the parliamentary constituency of Crewe and Nantwich. Between 1955 and 1983, Nantwich was a parliamentary constituency in its own right, largely covering the areas managed by Nantwich urban and rural district councils (rural areas to the south, west and north of Nantwich now