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(1979) The Solar Reality, A Report to the Iowa Energy Policy Council, June 1979. General Services, Department of
(1981) Capitol Complex solar energy project report, 1981./. General Services, Department of
(1981) Passive Options for Iowa : Direct Gain, August, 1981. Iowa State University Extension
(2021) Solar Energy System Tax Credit Annual Report for 2021, December 31, 2021. General Services, Department of
(2022) Solar Energy System Tax Credit Annual Report for 2022, December 31, 2022. General Services, Department of