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IRIS <br />MITIGATION AND DESIGN, INC. <br />SCHWARTZWALDER MINE PHASE 1 - UPSTREAM CUTOFF WALL AND LOW FLOW BYPASS <br />PIPELINE - BIOLOGICAL ASSESSMENT <br />achieved. These percentages are based on expected vegetation success, as determined from <br />previous field observations and monitoring. <br />Mitigation areas will be monitored once annually during the summer. A monitoring report documenting <br />the status of the success criteria will be submitted to the USAGE and USFWS the following winter. The <br />mitigation areas will be monitored for five years or until success is achieved. If success is not achieved <br />by the end of the fifth year, Cotter will be responsible for improving the Site (including planting, seeding <br />and weed control) until it is brought into compliance. Throughout the mitigation period, the USACE and <br />the USFWS will have the right to visit and inspect the property to insure compliance with this Mitigation <br />Plan. <br />Weeds will be controlled in restored areas. Weed control will be considered successful if 0 percent of <br />Colorado Noxious Weed Listed A species and less than 10 percent of Category B or C species are <br />found in overall plant cover from transects and plot data. <br />Page 19 August 2011 <br />