2024 42 USC 1962d-18 – Study of depletion of natural resources of regions of Colorado, Kansas, New Mexico, Oklahoma, Texas, and Nebraska utilizing Ogallala aquifer; plans; reports to Congress; authorization of appropriation

2023 42 USC 1962d-18 – Study of depletion of natural resources of regions of Colorado, Kansas, New Mexico, Oklahoma, Texas, and Nebraska utilizing Ogallala aquifer; plans; reports to Congress; authorization of appropriation

2022 42 USC 1962d-18 – Study of depletion of natural resources of regions of Colorado, Kansas, New Mexico, Oklahoma, Texas, and Nebraska utilizing Ogallala aquifer; plans; reports to Congress; authorization of appropriation

2021 42 USC 1962d-18 – Study of depletion of natural resources of regions of Colorado, Kansas, New Mexico, Oklahoma, Texas, and Nebraska utilizing Ogallala aquifer; plans; reports to Congress; authorization of appropriation

2020 42 USC 1962d-18 – Study of depletion of natural resources of regions of Colorado, Kansas, New Mexico, Oklahoma, Texas, and Nebraska utilizing Ogallala aquifer; plans; reports to Congress; authorization of appropriation

2018 42 USC 1962d-18 – Study of depletion of natural resources of regions of Colorado, Kansas, New Mexico, Oklahoma, Texas, and Nebraska utilizing Ogallala aquifer; plans; reports to Congress; authorization of appropriation

2017 42 USC 1962d–18 – Study of depletion of natural resources of regions of Colorado, Kansas, New Mexico, Oklahoma, Texas, and Nebraska utilizing Ogallala aquifer; plans; reports to Congress; authorization of appropriation

2015 42 USC 1962d–18 – Study of depletion of natural resources of regions of Colorado, Kansas, New Mexico, Oklahoma, Texas, and Nebraska utilizing Ogallala aquifer; plans; reports to Congress; authorization of appropriation

2014 42 USC 1962d-18 – Study of depletion of natural resources of regions of Colorado, Kansas, New Mexico, Oklahoma, Texas, and Nebraska utilizing Ogallala aquifer; plans; reports to Congress; authorization of appropriation