A Removable Storage system provides two classes of media pools: system and application. System media pools include free media pools, unrecognized media pools, and import media pools. Removable Storage creates one free, one unrecognized, and one import media pool for each media type in your Removable Storage system.
Also avoid snacks with a lot of salt as salt makes you thirsty. Good alternatives to trail mix are crackers, potato sticks, grapes or raisins. Plan on having something to snack on every couple of hours on a long day hike to keep your energy level up.
Water:By studying the weather, the water sources, the trail, one can carry the minimum amount of water, which is probably the heaviest thing one carries on a day hike. An interesting idea is to stash water bottles on the way up, to be retrieved on the way down.