2023 South Dakota Codified Laws 45-6B-9. Previously mined land–Reclamation not required for underground mining

2022 South Dakota Codified Laws 45-6B-9. Previously mined land–Reclamation not required for underground mining

2021 South Dakota Codified Laws 45-6B-9. Previously mined land–Reclamation not required for underground mining

2019 South Dakota Codified Laws 45-6B-9. Previously mined land–Reclamation not required for underground mining

2018 South Dakota Codified Laws 45-6B-9. Previously mined land–Reclamation not required for underground mining

2016 South Dakota Codified Laws 45-6B-9. Previously mined land–Reclamation not required for underground mining

2014 South Dakota Codified Laws 45-6B-9. Previously mined land–Reclamation not required for underground mining

2010 South Dakota Laws 45-6B-9 – Previously mined land–Reclamation not required for underground mining