Short Business Description Blackburn Basement Systems has been providing the best in basement waterproofing, crawl space, foundation repair, and radon testing & mitigation to customers throughout Wyoming and South Dakota, including Rapid City, Yankton, Miller and Sioux Falls, since 1992. Our foundation repair and basement system solutions allow us to solve almost any radon, water or structural issues you may have. The techniques we use are less expensive and are much neater than the traditional methods of repair thus saving you time and money. Of course all our work is fully guaranteed for the life of the structure and is transferable when necessary. We are always pleased to offer free estimates.