2023 South Dakota Codified Laws 45-1-2. Surveys relating to geology, natural history, archaeology, and anthropology–Duty tocontinue
2022 South Dakota Codified Laws 45-1-2. Surveys relating to geology, natural history, archaeology, and anthropology–Duty tocontinue
2021 South Dakota Codified Laws 45-1-2. Surveys relating to geology, natural history, archaeology, and anthropology–Duty tocontinue
2019 South Dakota Codified Laws 45-1-2. Surveys relating to geology, natural history, archaeology, and anthropology–Duty tocontinue
2018 South Dakota Codified Laws 45-1-2. Surveys relating to geology, natural history, archaeology, and anthropology–Duty to continue
2016 South Dakota Codified Laws 45-1-2. Surveys relating to geology, natural history, archaeology, and anthropology–Duty tocontinue
2014 South Dakota Codified Laws 45-1-2. Surveys relating to geology, natural history, archaeology, and anthropology–Duty tocontinue
2010 South Dakota Laws 45-1-2 – Surveys relating to geology, natural history, archaeology, and anthropology–Duty to continue