Documents

Thank you for the opportunity to testify about our views on H.R. 687, the Southeast Arizona Land Exchange and Conservation Act of 2013.

Response to questions received from Arizona State Land Department regarding North Skunk Camp pipeline corridor.

Existing studies on the impacts of climate change on groundwater recharge are either global or basin/location-specific.

Meeting minutes for Resolution Water Working Group April 23, 2020

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Responses to comments by Chambers including background, alternative mining methods, ore resources, resource sterilization, and ore grade.

A Geology and Subsidence Workgroup (Workgroup) was convened as part of the Resolution Copper Project Environmental Impact Statement (EIS) team. The purpose of the Workgroup was to review Resolution Copper Mining’s (RCM) procedures, data, and geologic and geotechnical baseline documents.

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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.