Versions of 43 CFR Part 417 - Procedural Methods for Implementing Colorado River Water Conservation Measures With Lower Basin Contractors and Others on LawServer 2024 43 CFR Part 417 – Procedural Methods for Implementing Colorado River Water Conservation Measures With Lower Basin Contractors and Others 2023 43 CFR PART 417 – PROCEDURAL METHODS FOR IMPLEMENTING COLORADO RIVER WATER CONSERVATION MEASURES WITH LOWER BASIN CONTRACTORS AND OTHERS 2022 43 CFR Part 417 – Procedural Methods for Implementing Colorado River Water Conservation Measures with Lower Basin Contractors and Others 2020 43 CFR Part 417 – Procedural Methods for Implementing Colorado River Water Conservation Measures With Lower Basin Contractors and Others