2024 Iowa Code 458A.7 – Department shall set spacing units

2023 Iowa Code 458A.7 – Department shall set spacing units

2022 Iowa Code 458A.7 – Department shall set spacing units

2020 Iowa Code 458A.7 – Department shall set spacing units

2018 Iowa Code 458A.7 – Department shall set spacing units

2016 Iowa Code 458A.7 – Department shall set spacing units

2014 Iowa Code 458A.7 – Department shall set spacing units.

2009 Iowa Code 458A.7 – Department shall set spacing units