Ordnance Survey
OS Map of North Pennines: Explorer OL31 - Weatherproof Active
Map of North Pennines - OS Explorer Map OL31 (Teesdale & Weardale)
Standard Publication Date: 14/06/2023
Weatherproof Publication Date: 28/09/2023
Weatherproof 'Active' maps add a laminate finish. They are water and damage resistant, and can be used with whiteboard pens.