ordnance survey map 1: 25000, introduction

on this video I m showing the map cover, why it s folded in it s own way, how to use the scale practically, general overview of the map, the legend, contour lines and the national grid 2 letter code. , sas, mapreading, survivalskills, navigation , orienteering, hikinguk, outdoors, trekking, exploring, hillwalking, bushcraftuk, backpacking