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.
Food and Hydration Tips for Cold-Weather Hiking. Your bodyâs metabolism is its best heat source, so you need to keep it fueled up with food and water. Remember to eat and drink: When itâs cold outside, you might be less inclined to stop for food and water.