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(1925) Pilot Knob State Park, Merrick State Park, Eagle Lake State Park, Rice Lake State Park and Crystal, East and West Twin, and Duck Lakes,1925. Cultural Affairs, Department of
(1937) Iowa's state parks and preserves, 1937. Natural Resources, Department of
(1962) 1962, Convservation Sourcebook. Iowa State University
(1966) Outdoor recreation in Iowa, 1966. Natural Resources, Department of
(1968) Camping in Iowa, 1968. Iowa Economic Development Authority
(1971) Iowa Parks, 1969-1971. Natural Resources, Department of
(1987) Macbride nature recreation area : hiking and cross-country ski trails, 1987. University of Iowa
(1990) 1990 Iowa SCORP: Statewide Comprehensive Outdoor Recreation Plan, 1990. Natural Resources, Department of
(1993) Iowa's Recreation Trails, 1993. Transportation, Department of
(1994) Iowa's Recreation Trails, 1994. Transportation, Department of
(1997) Iowa's Recreation Trails, 1997. Transportation, Department of
(2000) Recreation activities & environmental opinions : a statewide survey of adult Iowans, 2000. Natural Resources, Department of
(2001) 2001 Iowa SCORP: Statewide Comprehensive Outdoor Recreation Plan, 2001. Natural Resources, Department of
(2001) Responsive Management Report, Winter/Spring 2001. Natural Resources, Department of
(2012) Off-Highway Vehicle Reference Guide, 2012. Natural Resources, Department of
(2013) Snowmobile Reference Guide, 2013. Natural Resources, Department of
(2013) Iowa Wetland Management District: Environmental Assessment and Draft Comprehensive Conservation Plan. Natural Resources, Department of
(2017) Snowmobile Reference Guide, , August 31, 2017. Natural Resources, Department of
(2020) Off-Highway Vehicle Reference Guide 2020, August 25, 2020. Natural Resources, Department of
(2023) Off-Highway Vehicle Reference Guide 2023, August 2023. Natural Resources, Department of
