gregbrick.org
Subterranean Twin Cities - LINKS
http://www.gregbrick.org/links
Here are some good links. The Minnesota Speleological Survey (MSS) has been the local caving organization since 1963, and they have regular trips to caves, especially in southeastern Minnesota:. John Ackerman established the Minnesota Cave Preserve. In 1989 to preserve, study, protect, and to promote conscientious exploration and conservation of our unique underground wilderness. Outside Adventure. Inside The Cities. Ive taken the tour here on several occasions, and theres something new each time:.
ledgeviewnaturecenter.org
Links to Other Great Sites - LedgeViewNatureCenter.org
http://www.ledgeviewnaturecenter.org/links
A Fungus Among Us. Halloween Candlelight Cave Tours. Links to Other Great Sites. Links to Other Great Sites. Http:/ www.co.calumet.wi.us/. Visit our friends at the Wisconsin Speleological Society. Http:/ www.wisconsincaves.org/. Other activity opportunities in Calumet County. Http:/ www.travelcalumet.com.
madisonrockclub.org
Other Area Clubs - Madison Gem and Mineral Club
http://www.madisonrockclub.org/other-area-clubs
Madison Gem and Mineral Club. Badger Lapidary and Geological Society. Black Hawk Gem and Mineral Club (Rock Island Illinois). Cedar Valley Rock Club, Cedar Rapids, Iowa. Chicago Rocks and Minerals Society. Chippewa Valley Gem and Mineral Society, Eau Claire, WI. Des Plaines Valley Geological Society (Des Plaines, IL). Earth Science Club of Northern Illinois. Elgin Rock and Mineral Society. Four Lakes Metal Detecting Club. Geological Society of Iowa. Geological Society of Minnesota.