Keywords Tag: |
Gold, Silver, Copper, Ebay, Auctions, Tours, Entertainment, Colorado, Idaho Springs, Clear Creek County, Mining, historical, gold panning, minerals, rocks, specimens, fun, activities, family, miners, mine, mines, teachers, school, geology, mineralogy, picnic, hikes, 4x4, National Forest, USGS, Army Corps of Engineers, college, high school, professors, students, international, |