Eastern Missouri Society for Paleontology
Saint Louis, MO
Meetings:
  7:30 PM, 2nd Friday (except July, August, & December)
  Room 203, Earth & Planetary Science Building (Rudolph Hall) at Washington University

Rock Hobby Club of Greater Saint Louis
Saint Louis, MO
Meetings
  7:30 PM, 2nd Monday (except June, July, Aug, Sept)
  homes

St. Louis Mineral & Gem Society
Saint Louis, MO
Meetings
  7:30 PM, 1st Friday (except June, July, Aug)
  Room 203, Earth & Planetary Science Building (Rudolph Hall) at Washington University

Show Me Gems & Mineral Club Inc.
St. Peters, MO
Meetings
  7:00 PM, 4th Thursday
  Contact the club through their website for information about their new meeting location

Stygian Grotto
St. Peters, MO
Meetings
  See calendar on website for details