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The Flooded Tailings Impoundment at the Equity Silver Mine
The Equity Silver Mine operated between 1980 and 1994, producing silver, gold, and copper from three open pits and a small underground operation. Mine components include a flooded tailings impoundment constructed from till and waste and quarried rock. This... -
Northwest Transmission Line: Bell-Irving Route Study
Sheffield studies and office-based reviews for this Bell-Irving Route Study Report were completed in August 2010. This report presents the results of baseline information collected as well as an evaluation of potential project effects on VECs along the... -
2012 Sustainability Report Closed Sites in Honduras, Mexico, the United State...
The focus of this report is on Goldcorp’s one closed site in Honduras (San Martin), one closed site in Mexico (Nukay in Guerrero), four closed sites in the United States (Dee and Daisy in Nevada, Rand in California, and Golden Reward in South Dakota) and... -
Davidson Project: Update of MODFLOW Model
This document details an updated groundwater model for the Davidson EA. Key differences between this version of the model and the previous version are a change in the model domain to allow groundwater to flow to Glacier Gulch and Simpson Creek watersheds...