2023 Missouri Laws 569.137 – Polluting cave or subsurface waters — penalty

2022 Missouri Laws 569.137 – Polluting cave or subsurface waters — penalty.

2020 Missouri Laws 569.137 – Polluting cave or subsurface waters — penalty.

2018 Missouri Laws 569.137 – Polluting cave or subsurface waters — penalty.

2016 Missouri Laws 569.137 – Beginning January 1, 2017–Polluting cave or subsurface waters–penalty

2015 Missouri Laws 569.137 – Beginning January 1, 2017–Polluting cave or subsurface waters–penalty

2014 Missouri Laws 569.137 – Beginning January 1, 2017–Polluting cave or subsurface waters–penalty