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Stream Lag and Loss Colorado Division of Water Resources <br />6/17/98 <br />Division 1 District 80 North Fork of the South Platte River <br />USGS 7.5' map <br />Reach <br />n <br />Slope <br />Mlles <br />v (mVhr) <br />Time (hrs.) <br />Loss /mi. <br />% loss <br />from, to <br />ft.1100 <br />1 <br />% <br />this section <br />Montezeuma map <br />Headwaters to el. 11400 <br />9.9 <br />0.050 <br />15.7 <br />0.65 <br />4.28 <br />0.15 <br />0.15% <br />0.10% <br />Montezeuma map <br />El. 11400 to S. edge of map <br />19.2 <br />0.045 <br />7.8 <br />2.05 <br />3.66 <br />0.56 <br />0.15% <br />0.31% <br />Jefferson map <br />N. edge to E. edge <br />21.4 <br />0.045 <br />4.5 <br />5.04 <br />2.47 <br />2.04 <br />0.15% <br />0.76% <br />Mount Logan map <br />W. edge to Roberts tunnel <br />22 <br />0.045 <br />3.0 <br />4.28 <br />2.07 <br />2.07 <br />0.15% <br />0.64% <br />Mount Logan map <br />Roberts Tunnel to <br />0.045 <br />conf. of Geneva Ck. <br />424 <br />0.045 <br />2.3 <br />0.80 <br />4.47 <br />0.18 <br />0.15% <br />0.12% <br />Total <br />12.8 Total <br />5.0 Total <br />1.9% <br />t9 <br />