Side Trails » Crystal Lake Cave Development


Crystal Lake Cave Development

Crystal Lake Cave was formed millions of years ago.

Source: University Department of Geology and Environmental Geosciences

http://jove.geol.niu.edu/faculty/fischer/429_info/429trips/Dubuque/Development_of_Cave.htm



 


Iowa Pathways: Iowa History Resources for Students and Teachers
Home ~ My Path ~ Artifacts ~ Timeline ~ Quest ~ Teacher Resources ~ Project Information ~ Sponsors
Iowa Pathways © 2005 - 2014 Iowa Public Television