Ordnance Survey England & Wales Town Plans : Chorley.
Great Britain.Ordnance Survey.
Southampton : Ordnance Survey,
1848, 1890.
3 sheets for 1st ed. 1:1056 (1848); 15 sheets for 2nd ed. 1:500 (1890).
Boundary lines and other features are occasionally over printed in colour.
Index to 2nd ed. town sheets held at NLS Map Collections reading room.
Chorley located in the County of Lancashire, England.