Treasure Hunt By sarah | September 22, 2022 Loading Map.... Mill Creek Park5678-5690 460th St. IA Hwy. 10 - PaullinaEvents 42.9791479 -95.68806569999998 Date/Time Date(s) - September 22, 20225:00 pm Location Mill Creek Park Categories Naturalist Event Learn to use a gps and find geocaches at Mill Creek. Posted in Naturalist Event