2023 Iowa Code 355.13 – Surveys authorized by the United States government

2022 Iowa Code 355.13 – Surveys authorized by the United States government

2020 Iowa Code 355.13 – Surveys authorized by the United States government

2018 Iowa Code 355.13 – Surveys authorized by the United States government

2016 Iowa Code 355.13 – Surveys authorized by the United States government

2014 Iowa Code 355.13 – Surveys authorized by the United States government.

2009 Iowa Code 355.13 – Surveys authorized by the United States government