2024 43 USC 620 – Upper Colorado River Basin; purpose of development of water resources; initial units; construction of Wayne N. Aspinall unit contingent upon certification; participating projects; Rainbow Bridge National Monument

2023 43 USC 620 – Upper Colorado River Basin; purpose of development of water resources; initial units; construction of Wayne N. Aspinall unit contingent upon certification; participating projects; Rainbow Bridge National Monument

2022 43 USC 620 – Upper Colorado River Basin; purpose of development of water resources; initial units; construction of Wayne N. Aspinall unit contingent upon certification; participating projects; Rainbow Bridge National Monument

2021 43 USC 620 – Upper Colorado River Basin; purpose of development of water resources; initial units; construction of Wayne N. Aspinall unit contingent upon certification; participating projects; Rainbow Bridge National Monument

2020 43 USC 620 – Upper Colorado River Basin; purpose of development of water resources; initial units; construction of Wayne N. Aspinall unit contingent upon certification; participating projects; Rainbow Bridge National Monument

2018 43 USC 620 – Upper Colorado River Basin; purpose of development of water resources; initial units; construction of Wayne N. Aspinall unit contingent upon certification; participating projects; Rainbow Bridge National Monument

2017 43 USC 620 – Upper Colorado River Basin; purpose of development of water resources; initial units; construction of Wayne N. Aspinall unit contingent upon certification; participating projects; Rainbow Bridge National Monument

2015 43 USC 620 – Upper Colorado River Basin; purpose of development of water resources; initial units; construction of Wayne N. Aspinall unit contingent upon certification; participating projects; Rainbow Bridge National Monument

2014 43 USC 620 – Upper Colorado River Basin; purpose of development of water resources; initial units; construction of Wayne N. Aspinall unit contingent upon certification; participating projects; Rainbow Bridge National Monument

2013 43 USC 620 – Upper Colorado River Basin; purpose of development of water resources; initial units; construction of Wayne N. Aspinall unit contingent upon certification; participating projects; Rainbow Bridge National Monument

2012 43 USC 620 – Upper Colorado River Basin; purpose of development of water resources; initial units; construction of Wayne N. Aspinall unit contingent upon certification; participating projects; Rainbow Bridge National Monument

2010 43 USC 620