Slinde Mounds State Preserve was created in 1989.
Little Maquoketa River Mounds State Preserve was created in 1981.
Mounds State Park was created in 1973.
Blue Mound State Park was created in 1959.
Lake Jackson Mounds Archaeological State Park was created on 1971-05-06.
Hartley Fort State Preserve was created in 1970.
Minnewaska State Park Preserve was created in 1993.
Brigadoon State Nature Preserve was created in 1985.
Woodman Hollow State Preserve was created in 1970.
Gitchie Manitou State Preserve was created in 1969.
Fort Atkinson State Preserve was created in 1968.
Hayden Prairie State Preserve was created in 1945.
Beargrass Creek State Nature Preserve was created in 1982.