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The Skunk Camp TSF was indicated as the preferred alternative in the DEIS, which also included a mitigation measure (FS-227) to complete a “more robust and refined” Failure Mode and Effects Analysis (FMEA) risk assessment “with more refined designs and site-specific information,” to be conducted between the DEIS and the Final EIS to address dam safety comments.

Response to Action Item GS-5. Provide input on specific assumptions made by Emerman related to uncertainty of subsidence modeling.

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The purpose of this memorandum is to detail the steps taken between the DEIS and final EIS (FEIS) to further revaluate potential mitigations for the project, leading to the mitigation and monitoring measures included in the revised appendix J of the FEIS.

In response to USFS document titled "List of Potential Final EIS Changes Prior to Republication", which states: "Resolution Copper ownership of Gov't Springs and parcels in Dripping Springs Wash", please find copies of Resolution Copper special warranty deeds for the parcels collectively referred to as Government Springs.

Five-Year Probabilistic Projections of future conditions in the Colorado River system currently extend through 2027. They are typically updated every January, April, and August, while probabilistic results for the 2-year period are updated every month. The 5-Year Probabilistic Projections are generated using the Colorado River Mid-Term Modeling System (CRMMS) in Ensemble Mode.

The following two new species of land snails were taken on a collecting trip in Arizona during October 1949 by M. L. Walton and the author. They belong to the families Camaenidae and Polygyridae, respectively.

An extraordinary drought in the West in drying up the Colorado River and draining the nation's largest reservoirs - Lake Mead and Lake Powell. And amid the overuse of the river and the aridification of the region, the federal government is implementing new mandatory water cuts and asking states to devise a plan to save the water basin.

This updated memo quantifies Resolution’s estimated Scope 2 (indirect) GHG emissions associated with Resolution’s annual electricity use and accounts for the following GHGs: CO2, methane (CH4), and nitrous oxide (N2O).