2024 Iowa Code 468.622 – Drainage connection with highway

2023 Iowa Code 468.622 – Drainage connection with highway

2022 Iowa Code 468.622 – Drainage connection with highway

2020 Iowa Code 468.622 – Drainage connection with highway

2018 Iowa Code 468.622 – Drainage connection with highway

2016 Iowa Code 468.622 – Drainage connection with highway

2014 Iowa Code 468.622 – Drainage connection with highway.

2009 Iowa Code 468.622 – Drainage connection with highway