Activity

2002

• NO EVIDENCE FOR METEORITE IMPACT NEAR RIFLE, COLORADO
  32 Planetary Geology
  Sunday, 27 October 2002

  1:00 PM - 3:45 PM
• GEMSTONE OCCURRENCES IN COLORADO
  20 Gemstone and Semiprecious Minerals and Host Rocks in the Western United States
  Thursday, 9 May 2002

  8:00 AM - 11:00 PM