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A Cheshire acre is a historical measurement of area that was used in Cheshire and South Lancashire, particularly in the 19th century. It covers 10,240 square yards (8,562 m2), more than two statute acres.[1][a]An acre is 4,840 square yards Also known as a forest acre, it is equivalent to a Staffordshire acre.[2]
On the Lancashire CoalfieldThe Lancashire and Cheshire Coalfield in North West England was one of the most important British coalfields. Its coal seams were formed from the vegetation of tropical swampy forests in the Carboniferous period more than 300 million years ago. the Cheshire acre was used almost exclusively for mineral leases, and was generally known as the customary acre.[3]