Cache River State Natural Area was created in 1970.
Cossatot River State Park-Natural Area was created in 1988.
Arkansas.
Hill River State Forest was created in 1963.
Flambeau River State Forest was created in 1930.
Cascade River State Park was created in 1957.
Mayo River State Park was created in 2003.
Tippecanoe River State Park was created in 1943.
Temperance River State Park was created in 1957.
Brule River State Forest was created in 1907.
Carmel River State Beach was created in 1953.
Wild River State Park was created in 1973.
Holly River State Park was created in 1938.