 Once again, you will be able to travel more than 2,300 feet underground for a better understanding of the mining industry. Or, take the prairie tour at Blue Mound State Park for a possible glimpse of a bison. Or sign up for a cave tour at Forestville Mystery Cave State Park. For more information on tour reservations and more, see mndnr.gov forward slash tours. This has been a Natural Resources Minute from the Minnesota DNR.