Specifications. 3050. Supervisory control and load-frequency control equipment for Kortes and Seminole power plants, telemeters, recording instruments, switchboard and carrier-current telemetering equipment for Region 7 centralized power dispatching system, Boyson division, Boyson unit, Wyo., Oregon Trail division. Kortes unit, Wyo., Transmission division, Nebr.-Wyo., Missouri River Basin project, Calorado-Big Thompson project, Colo., Kendrick project, Wyo., North Platte project, Wyo.