2024 43 CFR Part 431 – General Regulations for Power Generation, Operation, Maintenance, and Replacement At the Boulder Canyon Project, Arizona/Nevada

2023 43 CFR PART 431 – GENERAL REGULATIONS FOR POWER GENERATION, OPERATION, MAINTENANCE, AND REPLACEMENT AT THE BOULDER CANYON PROJECT, ARIZONA/NEVADA

2022 43 CFR Part 431 – General Regulations for Power Generation, Operation, Maintenance, and Replacement at the Boulder Canyon Project, Arizona/Nevada

2020 43 CFR Part 431 – General Regulations for Power Generation, Operation, Maintenance, and Replacement At the Boulder Canyon Project, Arizona/nevada