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(1923) Iowa Parks: History, Organization, Accomplishments, and A Look into the Future by L. H. Pammel, 1923. Iowa State University
(1925) Dedication of Dolliver Memorial State Park, June 28, 1925. Natural Resources, Department of
(1925) Dolliver Memorial State Park, Webster County, Iowa, 1925. Natural Resources, Department of
(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
(1957) Dedication of Viking Lake State Park, October 13, 1957. Natural Resources, Department of
(1959) Guide for County Conservation Boards, 1959. Natural Resources, Department of
(1968) Camping in Iowa, 1968. Iowa Economic Development Authority
(1968) Outdoor Recreation Plan Adams County Iowa, 1968. Natural Resources, Department of
(1973) Iowa Region five, Outdoor Recreation & Open Spaces, Humboldt County Conservation Board, 1973. Natural Resources, Department of
(1974) A County-Wide Conservation, Open Spaces & Outdoor Recreation Plan for Humboldt County, 1974. Natural Resources, Department of
(1975) Iowa : Four seasons of fun, 1975. Iowa Economic Development Authority
(1979) Environmental assessment of climate, soils and tetrapod vertebrates of Volga River State Recreation Area, Fayette County Iowa, September 1, 1979. Natural Resources, Department of
(1980) Natural resources inventory of Pikes Peak/Point Ann State Park, Clayton County, Iowa, March 29, 1980. Natural Resources, Department of
(1980) Master Plan Report: Volga River State Recreation Area, May 1980. Natural Resources, Department of
(1990) Improvement of U.S. 18 and U.S. 218 Floyd County, Environmental Assessment, 1990. Transportation, Department of
(1994) Improvement of U.S. 151 Jones County Anamosa to Monticello: Environmental Assessment submitted pursuant to 42 USC 4332(2)(c) by the U.S. Department of Transportation, 1994. Transportation, Department of
(2001) Responsive Management Report, Winter/Spring 2001. Natural Resources, Department of
(2020) Iowa State Parks: Shelter General Rules,. Natural Resources, Department of
(2021) Iowa State Parks: Day-Use Lodge Cleaning Rules, March 30, 2021. Natural Resources, Department of