Specifications. 2138. Furnishing and electing 47 two-bedroom and 17 three-bedroom prefabricated, pereut or sectionalized residences for Government camps at Shadehill Dam, Grand River unit, S. Dak., Bixby Dam, Moreau River unit, S. Dak., Keyhole Dam, Belle Fourche unit, Wyo., Moorehead Dam, Powder River unit, Mont., Missouri Basin project.