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<br />Table 1. - Time of flooding resulting from the failures of <br />Lawn Lake Dam and Cascade Lake Dam, July is, 1982 <br /> <br />Locat i on <br />(proceeding <br />downstream) <br /> <br />Lawn Lake <br />Camping <br />area <br /> <br />Time <br />(a.m. ) <br /> <br />2:00 - <br />4:00 <br /> <br />Approx. <br />5:00 <br /> <br />Short ly <br />before <br />5:30 <br /> <br />Approx. <br />5:50 <br />6:09 <br /> <br />Cut Bank 6:00 - <br />and Ypsilon" 6:20 <br />Creek Camp- <br />sites <br /> <br />Endov alley <br />Road <br /> <br />Lawn Lake <br />Trail head <br />emergency <br />telephone <br /> <br />Highway 34 <br />in Horse- <br />shoe Park <br /> <br />Approx <br />6:15 <br /> <br />Description of occurrence <br /> <br />Campers report hearing roar <br /> <br />Camper reports normal roar <br />from ri ver <br /> <br />Dam failure begins <br /> <br />Campers heard roar from dam <br />break <br /> <br />Camper reports roar getting <br />louder <br /> <br />Campers heard thunderous <br />roar and trees breaki ng - <br />saw wall of water <br />25 to 30 feet high <br /> <br />Water reaches <br /> <br />Approx. Water and debris (logs and <br />6:20 limbs) on road <br /> <br />6:27:40 Road completely flooded <br /> <br />6:22:47 Call by Gillette to park <br />dispatcher <br /> <br />6:34 Flood reaches <br /> <br />6:36 <br /> <br />Water over bridge <br /> <br />Source <br /> <br />,National Park Service <br />witness statements <br /> <br />Rocky Mountain News <br />July 16, 1982, page 8 <br /> <br />Rocky Mountain News <br />July 16, 1982, page 8 <br /> <br />National Park Service <br />witness statements <br /> <br />Rocky Mountain News <br />July 16, 1982, page 8 <br /> <br />National Park Service <br />witness statements <br /> <br />National Park Service <br />witness statements <br /> <br />National Park Service <br />witness statements <br /> <br />National Park Service <br />dispatch radio log <br /> <br />National Park Service <br />dispatch radio log <br />and tape recording <br /> <br />National Park Service <br />dispatch radio log <br /> <br />National Park Service <br />dispatch radio log <br /> <br />--.J1 <br />