Versions of Iowa Code 1.9 - National forests on LawServer 2024 Iowa Code 1.9 – National forests 2023 Iowa Code 1.9 – National forests 2022 Iowa Code 1.9 – National forests 2020 Iowa Code 1.9 – National forests 2018 Iowa Code 1.9 – National forests 2016 Iowa Code 1.9 – National forests 2014 Iowa Code 1.9 – National forests. 2009 Iowa Code 1.9 – National forests