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.
How much does hiking equipment cost? One of the great things about hiking is that you need relatively little equipment to do it. The only real costs might be a good pair of hiking socks ($10-$20) and a pair of hi â¦ king shoes or boots ($100-$400).Even these items may be optional depending on the length and difficulty of your hike.ne of the great things about hiking is that you need relatively little equipment to do it. The only real costs might be a good pair of hiking socks ($10-$20) and a pair of hi â¦ king shoes or boots ($100-$400).