Ordnance Survey
OS Map of Southport & Chorley: Explorer 285 - Standard
Map of Southport & Chorley - OS Explorer Map 285 (Wigan, Formby & Ormskirk)
Format: Folded map
Physical Size: 890 x 1000 mm (134 x 227 mm folded)
Standard Publication Date: 28/04/2025
Weatherproof Publication Date: 20/10/2025