The extraction process to remove the lead from the sulfur is very simple, thus lead has been extracted from Galena since the earliest times.Galena from certain regions is rich in silver, and some specimens may contain as much as 20 percent silver. Because of this, silver-rich Galena is also an ore of silver.
Research shows that hiking has a positive impact on combating the symptoms of stress and anxiety, says Gregory A. Miller, PhD, president of the American Hiking Society. Being in nature is ingrained in our DNA, and we sometimes forget that.
The hazards of hiking the Appalachian Trail is there are bears, snakes and wild boars, but if precautions are taken it should not prove as a very dangerous hazard. Benefits of hiking the Appalachian trail is the self-satisfaction of knowing you did it! only 20% of thru-hikers complete the journey.