1901: Exploration of Mammoth cave reveals many wonders
http://bit.ly/2lnCT5e
11 mile x 6 mile cave out near Red Bud IL. Anyone ever heard of this before? Didn't see anything from searching
Mammoth Cave
Mammoth Cave
ultimate lurker
RE: Mammoth Cave
Info on this cave:
http://dnr.state.il.us/lands/landmgt/parks/r4/ilc.htm
Info on its closure:
https://www.dnr.illinois.gov/closures/P ... r2011.aspx
http://dnr.state.il.us/lands/landmgt/parks/r4/ilc.htm
Info on its closure:
https://www.dnr.illinois.gov/closures/P ... r2011.aspx