Green River State Wildlife Area was created in 1940.
Green River State Park was created in 1965.
Iroquois County State Wildlife Area was created in 1944.
Wildlife Prairie State Park was created on 2000-09-05.
Arkansas.
Hill River State Forest was created in 1963.
Gary Ridgway, known as the Green River Killer, committed homicide in the State of Washington.
James River State Park was created in 1999.
Lost River State Park was created in 1934.
Temperance River State Park was created in 1957.
Brule River State Forest was created in 1907.
Carmel River State Beach was created in 1953.
Deep River State Trail was created in 2007.