| 79.3 | Water will reach the elevation of the instrument shelter in the USGS well house. Extensive flooding will occur along the all reaches of the river. | | 76.5 | Water will reach the floor in the USGS well house. Extensive flooding will continue along both banks of the river. | | 75.5 | Flood waters will reach within eight inches of the floor in the lockmasters residence. Extensive flooding can be expected along both banks of the river. | | 65.0 | Water will approach the road in front of the lockmasters residence. Extensive lowland flooding will occur along the left bank with minor flooding along the right bank. | | 52.0 | Extensive flooding will occur along the left bank of the river. Water levels will reach the door sill of the USGS well house. | | 50.0 | Extensive lowland flooding will occur along the left bank of the river. | | 45.0 | Flood waters will affect areas along the left bank of the river with some minor overflow along the right bank. | | 42.0 | Water levels will top the navigational lock. Operations stop and the equipment must be removed. Minor flooding will occur on land adjacent to the left bank of the river. |
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1) 75.50 ft on 09/22/1945
2) 60.53 ft on 02/05/1973
3) 60.40 ft on 02/28/1979
4) 60.29 ft on 02/16/1948
5) 58.84 ft on 09/08/1996
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1) 29.43 ft on 08/13/2002
2) 32.84 ft on 09/11/2007
3) 33.00 ft on 06/01/2007
4) 33.01 ft on 08/26/2007
5) 33.03 ft on 10/26/2009
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