Documents

Allotment compliance inspection Devil's Canyon

This Reclamation Plan has been prepared as per DEIS mitigation measure FS-226 to outline the reclamation and closure measures and establish the basis for the reclamation cost estimate and financial assurance.

Response to EIS action item (EIS-262) to "Provide information on logistical concerns regarding train and filter plant"

Email communication on Resolution Copper Project science tasks workplan.

At approximately 12:28 p.m. local time on January 25, 2019, tailings dam B-I at Vale S.A.’s Córrego do Feijão Iron Ore Mine (“Dam I”), located 9 kilometers (km) north-east of Brumadinho, in the state of Minas Gerais, Brazil, suffered a sudden failure, resulting in a catastrophic mudflow that traveled rapidly downstream.

This technical memorandum was prepared in response to Groundwater Work Group Action Item WR-12 “Pull well records and other information for QV and model the impacts” to provide information to address Draft Environmental Impact Statement (DEIS) comments about potential impacts to Queen Valley, Arizona water supplies from proposed Resolution Copper mining activities.

This paper discusses reasons including seepage, foundation failure, overtopping, and earthquake for tailings dam failures and explores failure mechanisms by referring to the available literature.

This letter is in response to questions posed by BGC Engineering "Assessment of Surface Faulting Investigations at the Skunk Camp TSF Location".

Large spreading shrub or small tree up to 8 m (26.25 ft) tall, but more often 1- 4 m (3.28-13.12 ft) tall, with roughish, dark gray bark and densely stellate-pubescent twigs.

This Final Environmental Impact Statement (EIS) analyzes impacts that may occur from a proposed land exchange combined with a proposed plan amendment.