The cave protects an historically important Pre-Columbian archaeological site dating back to as early as 10,000 years ago.
[4] Visitors are allowed up to the entrance of the cave where interpretive signs point out significant discoveries.
[5] The park is adjacent to Interstate 70 from which the entrance to the cave can be glimpsed during foliage-free months.
His collection of artifacts was offered by his son Benjamin to the University of Missouri, which investigated the cave in 1930.
Benjamin's son-in-law, Wade Darnell, was persuaded to delay plans to enlarge the shelter for his livestock in 1948 so that archeological excavations could be made.