The Mammoth Site of Hot Springs South Dakota announced in 2011 that it now has discovered 60 specimens of prehistoric animals in this unique paleontological site. This is where, more than 26,000 years ago, large Columbian and woolly mammoths were trapped and died in a spring-fed pond. Now we visit the in-situ site. Dr. Larry Agenbroad, founder of the site, is our guide. Download and start listening now!