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