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2.1&01 <br /> 13. C. Mitigation Considerations <br /> The wetlands in this area are utilized by the Blanding's turtle, and these turtles are <br /> known to travel across County Road I within the project area. To minimize impacts to <br /> these turtles, a wildlife tunnel is proposed to allow for turtle migration between the Twin <br /> Cities Army Ammunitions Plant located south of CR I and nesting areas located to the <br /> north and northwest of the proposed project. The tunnel will allow the turtles to travel <br /> beneath the road rather than across the road as they do under existing conditions. The <br /> tunnel is proposed to be located at a low point in the topography at which the turtles are <br /> likely to travel under existing conditions. Fencing is proposed at specific locations to <br /> direct the turtles towards the tunnel in order to increase the likelihood that the turtles will <br /> utilize the tunnel. The proposed tunnel is a minimum 36" equivalent concrete arch pipe. <br /> This type of pipe has a flat base that will be more conducive to turtle movement than a <br /> rounded or ridged pipe. Overall, the size, type, shape, and location of the tunnel has <br /> been designed to accommodate turtle migration that is known to occur in the project <br /> area. <br /> • <br /> 9 <br />