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-4- November 1, 2011 <br />surfaces were jagged but sound and no fractured or loose rock was observed. The tunnel <br />discharges directly into the stream channel below the dam, which has a rock bottom and no <br />indications of past erosion. <br />Section 4 Photographs <br />4.1 Intake Structure <br />View of trashrack looking upstream from the upstream slope. <br />