Sycamore Tailings and Barrel Waste Alternative Stormwater Assessment

This tech memo presents a Stormwater Assessment for the Sycamore Tailings and Barrel Waste Alternative being considered in the US Forest Service EIS for the proposed Rosemont Copper Project. This analysis quantifies the potential impact of the Sycamore Tailings and Barrel Waste Alternative on downstream stormwater flows and average-annual runoff.