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Page 2—ANNUAL REPORT INCLUSIONS (con't) Permit No. M-91-146 <br />2. The attached River Profiles Map show slopes at the upstream and downstream <br />ends of the excavated area to be no greater than 3:1. <br />3. There has not been any significant channel erosion within or adjacent to the <br />permitted area. <br />4. The attached River Profiles Map shows <br />a. Profile A-A' streambed elevation is 7172.2' which is 2.2' above the <br />Original Streambed Elevation of 7170' as established from historic measurements. <br />b. Profile B-B' streambed elevation is 7176.7' which is 1.7' above the <br />Original Streambed Elevation of 7175'. <br />c. Profile C-C' streambed elevation is 7179.5' which is 0.5' below the <br />Original Streambed Elevation of 7180'. <br />Overall the three River Profiles indicate that no substantial head cutting has <br />occurred during the past year. <br />Sincerely, <br />Robert A. Larson <br />Cert. Prof. Geol. 4682