The SDSU Extension is South Dakota’s source of un-biased, vetted, and relevant new knowledge generated from research. As a cornerstone of SDSU’s land-grant university mission, SDSU Extension empowers citizens to be more competitive in a growing global economy through education and technical training or assistance.

Materials deposited prior to April 2026 are archived in this repository for research, reference and recordkeeping. If previously archived PDFs files are not fully accessible and you would like a remediated file or other information about the materials, please contact us at openprairie@sdstate.edu or 605-688-5567.