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<br />CONTENTS <br /> <br />Plate 1, Map showing topography of lawn lake before and after <br />flood of July 15, 1982, Rocky Mountain National Park, <br />Colorado----------------c------------------------------ In pocket <br />2, Map showing topography of Cascade lake before and after <br />flood of July 15, 1982, Rocky Mountain National Park, <br />. Colorado----------------------------------------------- In pocket <br /> <br />Figure L <br />2, <br /> <br />3-10, <br /> <br />. <br /> <br />11. <br /> <br />location map of area between lawn lake dam and lake Estes--- <br />Graph showing long profile of the flood path of the water <br />from lawn lake dam and Cascade lake dam failures---------- <br />Photographs showing: <br />3, lawn lake dam and reservoi r pri or to fail ure <br />(July 11, 1958) (aerial)---------------------------- <br />4A. The top of lawn lake dam, prior to failure, <br />looking north (July 11, 1958)----------------------- <br />4B, The top of lawn lake dam after failure <br />(July 1982)----------------------------------------- <br />5. The cross section of lawn lake dam following <br />failure--------------------------------------------- <br />6. The remains of the outlet valve from lawn <br />lake dam-------------------------------------------- <br />7A. The downstream face of lawn lake dam prior to <br />failure, showing the location of the outlet <br />well and pipe (July 11, 1958)----------------------- <br />7B. The front of lawn lake dam following failure, <br />showing the breach width---------------------------- <br />8, Empty Cascade lake prior to failure. View is <br />toward upstream face of dam (date unknown)---------- <br />9A. Water overtopping Cascade lake dam-------------------- <br />9B. Cascade lake dam in the initial stages of failure----- <br />9c. Cascade lake dam taken a few seconds after <br />photograph 9B--------------------------------------- <br />9D, The location of Cascade lake dam immediately after <br />total failure--------------------------------------- <br />9E. The location of Cascade lake dam following the <br />failure and draining of Cascade lake---------------- <br />10. The middle reach (river mile 2.1) of the Roaring <br />River showing the extensive areas of scour and <br />fill along the channel------------------------------ <br />Graph showing peak-discharge profile based on indirect <br />peak-discharge measurements and model results------------- <br />Photograph showing lawn lake about 1 week after the dam <br />failure, showing the amount of water still remaining in <br />the natural depression forming the original lake (aerial)- <br /> <br />12, <br /> <br />iv. <br /> <br />Page <br /> <br />4 <br /> <br />7 <br /> <br />9 <br /> <br />10 <br />10 <br /> <br />11 <br />13 <br /> <br />14 <br /> <br />14 <br /> <br />15 <br />16 <br />17 <br /> <br />17 <br /> <br />18 <br /> <br />18 <br /> <br />21 <br /> <br />23 <br /> <br />25 <br />