Hot water heater, can-washing facility construction, Cades Cave, Tennessee, 1967Great Smoky Mountains National ParkCompletion report photo... Started March 20, 1967 - completed March 20, 1968 Hot water heater before insulation was installed.Can-Washing Facility. Cades Cove, Tenn, II-U-Gen-15105, Physical Facilities - Utilities - Miscellaneous utilities (incinerator; power line and systems; garbage can washing facilities; telephone line; radio)