Three Forks Campground Hill City, SD Campgrounds Black Hills Museum of Natural History 217 Main Street PO Box 614 Hill City, SD 57745-0614 Hill City, SD Museums 1880 Train/Black Hills Central Railroad Hill City, SD Railroad History Lazy S Campground 11380 Slate Prairie Road Hill City, SD 57745 Hill City, SD Campgrounds Alexander`s Slate Rock Ranch 11590 Gillette Prairie Road Hill City, SD 57745 Hill City, SD Ranches