2023 Missouri Laws 256.456 – Geology work to be performed under supervision of registered geologist, ..

2022 Missouri Laws 256.456 – Geology work to be performed under supervision of registered geologist, ..

2020 Missouri Laws 256.456 – Geology work to be performed under supervision of registered geologist, ..

2018 Missouri Laws 256.456 – Geology work to be performed under supervision of registered geologist, ..

2016 Missouri Laws 256.456 – Geology work to be performed under supervision of registered geologist, when–reports, supervised by registered geologist–prohibited designations, when–penalty

2015 Missouri Laws 256.456 – Geology work to be performed under supervision of registered geologist, when–reports, supervised by registered geologist–prohibited designations, when–penalty

2014 Missouri Laws 256.456 – Geology work to be performed under supervision of registered geologist, when–reports, supervised by registered geologist–prohibited designations, when–penalty

2013 Missouri Laws 256.456 – Geology work to be performed under supervision of registered geologist, when–reports, supervised by registered geologist–prohibited designations, when–penalty

2009 Missouri Laws 256.456 – Geology work to be performed under supervision of registered geologist, when–reports, …