Response to Forest Service Request Regarding Groundwater Flow Models

This technical memorandum responds to the May 3, 2012, Coronado National Forest (Forest) request for additional information on the Rosemont Project groundwater flow models. Groundwater flow models and predictions have been submitted to support the Environmental Impact Statement process by Tetra Tech and Montgomery & Associates (M&A). This memorandum contains information relevant to the Tetra Tech flow model (Tetra Tech, 2010). M&A responses will be provided under separate cover. The original Forest request is provided as Attachment A for reference.