The document outlines best practices for NEPA compliance and permitting for oil and gas projects on Indian lands, emphasizing the historical context and the evolving nature of NEPA regulations. It highlights key steps in the NEPA process, common issues encountered, and the importance of collaboration among federal agencies, tribes, and operators for successful project implementation. Additionally, it provides recommendations for overcoming challenges, such as building trust with tribes, complying with tribal laws, and considering environmental constraints during project planning.