Fossils and Paleontology

• Grand River Museum  - Contains an overview of the museum, its newsletter, membership, programs, related links, information on local area, and online gift shop.
• South Dakota State IWIN Information  - Reports the state's weather with hourly coverage, short-term and long-term information, and special weather watches.
• South Dakota Weather Central  - Announces present atmospheric conditions with seven day forecast and are weather maps.