With the opening of the Black Hills region of South Dakota due to the discovery of gold in 1874, the business-savvy founders of Rapid City, in 1876, saw the potential of this area as a focus for urban development. It was nestled within the beauty of the Black Hills, rich in natural resources, adjacent to a viable water source and in line with major trade routes. Thus, a thriving commercial district evolved, the architecture of which reflects the distinctive periods of a community's growth from a frontier "hay camp" town to a regional metropolitan center. The built environment of Rapid City...