James A. “Jim” Cappa, Chief, Mineral and Mineral Fuels Section, Colorado Geological Survey. Colorado Minerals and Mineral Fuels Activity, 2001. Web–Site: http://www.dnr.state.co.us/geosurvey. Gemstone Deposits of Colorado and the Rocky Mountain Region Symposium, September 7th 10th, 2,002 at Colorado School of Mines, Golden, CO. Sponsored by Friends of Mineralogy, Colorado Chapter, Colorado School of Mines, Geology Museum, Denver Museum of Nature and Science, and the U.S. Geological Survey. The symposium was preceded by the Denver Gem and Mineral Show, whose theme was Colorado Gemstones, September 13th–15th, 2,002.
