Versions of Iowa Code 161D.11 - Southern Iowa development and conservation authority created -- membership and duties on LawServer 2024 Iowa Code 161D.11 – Southern Iowa development and conservation authority created — membership and duties 2023 Iowa Code 161D.11 – Southern Iowa development and conservation authority created — membership and duties 2022 Iowa Code 161D.11 – Southern Iowa development and conservation authority created — membership and duties. 2020 Iowa Code 161D.11 – Southern Iowa development and conservation authority created — membership and duties. 2018 Iowa Code 161D.11 – Southern Iowa development and conservation authority created — membership and duties. 2016 Iowa Code 161D.11 – Southern Iowa development and conservation authority created 2014 Iowa Code 161D.11 – Southern Iowa development and conservation authority created – membership and duties. 2009 Iowa Code 161D.11 – Southern Iowa development and conservation authority created — membership and duties