The Language of Maps: A Primer
Today's maps found on the interwebs.
Not so very long ago, no paddler or hillwalker would head out the door without tucking a topographic map into his (or her) pack. But that was then. Today, even supposedly expert trekkers attempt winter ascents above treeline with no other navigational aid than a cell phone.
Found at https://ift.tt/2mtlgln