| 520.0 | WIDESPREAD AND SEVERE RESIDENTIAL FLOODING IN GADSDEN AND ADJACENT AREAS ALONG THE COOSA RIVER OCCURS WHEN THE COOSA RIVER REACHES 520 FEET | | 517.0 | LOW ELEVATIONS OF HIGHWAY 411 BEGIN TO FLOOD WHEN THE RIVER LEVEL REACHES 517 FEET. CONSIDERABLE RESIDENTIAL FLOODING ALSO OCCURS AT THIS LEVEL | | 514.0 | CONSIDERABLE RESIDENTIAL FLOODING OCCURS IN GADSDEN AND ADJACENT AREAS ALONG THE COOSA RIVER WHEN THE RIVER LEVEL REACHES 514 FEET | | 512.0 | SOME RESIDENTIAL FLOODING BEGINS IN THE GADSDEN AREA WHEN THE COOSA RIVER REACHES 512 FEET | | 511.0 | LOW LYING FARMLANDS IN THE GADSDEN AREA BEGIN TO FLOOD AT 511 FEET |
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1) 525.10 ft on 04/06/1886
2) 519.90 ft on 07/15/1916
3) 518.70 ft on 04/11/1936
4) 517.80 ft on 02/26/1961
5) 517.50 ft on 01/02/1933
6) 517.20 ft on 02/16/1946
7) 516.10 ft on 03/31/1951
8) 515.43 ft on 02/17/1990
9) 515.00 ft on 01/07/1949
10) 514.65 ft on 04/14/1979
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1) 486.00 ft on 10/20/1904
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