2024 16 USC 346e – Authorization for park facilities to be located outside the boundaries of Zion National Park and Yosemite National Park

2023 16 USC 346e – Authorization for park facilities to be located outside the boundaries of Zion National Park and Yosemite National Park

2022 16 USC 346e – Authorization for park facilities to be located outside the boundaries of Zion National Park and Yosemite National Park

2021 16 USC 346e – Authorization for park facilities to be located outside the boundaries of Zion National Park and Yosemite National Park

2020 16 USC 346e – Authorization for park facilities to be located outside the boundaries of Zion National Park and Yosemite National Park

2018 16 USC 346e – Authorization for park facilities to be located outside the boundaries of Zion National Park and Yosemite National Park

2017 16 USC 346e – Authorization for park facilities to be located outside the boundaries of Zion National Park and Yosemite National Park

2015 16 USC 346e – Authorization for park facilities to be located outside the boundaries of Zion National Park and Yosemite National Park

2014 16 USC 346e – Authorization for park facilities to be located outside the boundaries of Zion National Park and Yosemite National Park

2013 16 USC 346e – Authorization for park facilities to be located outside the boundaries of Zion National Park and Yosemite National Park

2012 16 USC 346e – Authorization for park facilities to be located outside the boundaries of Zion National Park and Yosemite National Park

2010 16 USC 346e – Authorization for park facilities to be located outside the boundaries of Zion National Park and Yosemite National Park