FLOOD07833 - Laserfiche WebLink

Home Browse Search

Photographs 32. 38-43A. 38. 43A. 43B. 46-48. 46. 47. 49-54. 49. 50. CONTENTS 33. 16A-35.--Continued: Horizontal laminations in sand deposits at the edge of flow in the Roaring River valley at river mile 3.41------------ Gently-inclined backset crossbed5, interpreted to be antidune structures in a sand splay 0.25 river mile downstream from lawn Lake dam----------------------------- The alluvial fan formed at the mouth of the Roaring River--- Roaring River alluvial fan taken about 4 hours after the flood (vertical aerial)----------------------------------- Map showing contours of sediments in the Roaring River alluvial fan---------------------------------------------- Graph showing plot of largest particle measured in 3-foot radius every 50 feet down the major flow axis of the dam-break flood on the Roaring River alluvial fan--------- Photographs showing: The single largest boulder thought to have been moved by the flood onto the Roaring River alluvial fan------------- The 17-acre lake formed in Horseshoe Park by the damming of the Fall River (aerial), taken in August 1983---------- Horseshoe Park and the Fall River valley, looking down- valley---------------------------------------------------- Horseshoe Park taken 1 week after the flood, looking upstream from river mile 6.5 (aerial)--------------------- The Fall River channel about 0.3 mile downstream from Cascade lake dam, showing extensive channel scour--------- A well-developed boulder berm along the right bank of the Roaring River on the large alluvial fan, at river mile 4.73, showing the co~ce~tratio~ of organic material in the fro~t of the berm----------------------------------------- Graph showi~g particle-size analysis of matrix from Roari~g River alluvial fa~ boulder berm--------------------------- Photograph showi~g the fro~t of o~e step-pool bedform in boulder deposits in the Fall River upstream from Aspen- gle~ Campgrou~d at river mile 7.01------------------------ Sketch showing dam-break model layout for the lakes- stream 5y5tem--------------------------------------------- Graphs showi ~g: Selected modeled a~d observed hydrographs------------------- Outflow discharge for various times of breach developme~t for lawn lake dam and Cascade lake dam-------------------- Outflow discharge for hypothetical breach width for law~ Lake dam, assuming 10-mi~ute time of failure-------------- Photographs showi~g: Flood war~i~g sign at the dow~stream e~tra~ce to the Big Thompso~ River Canyo~ near Lovela~d, Colo----------------- About 0900 MDT on July 15, 1982, looking upstream at washed-out U.S. Highway 34 bridge i~ Rocky Mountai~ Natio~al Park at river mile 5.3--------------------------- 34. 35. 36. 37. 39. 40. 41. 42. 44. 45. 48. vi Page 53 53 54 55 56 57 58 58 59 60 61 62 62 64 67 72 73 74 80 81