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I I I I I I M I I I I I I I I I I I I l I I I I I | I I I | I I I | I I I | I I I 



64 65 66 6" 



68 69 70 71 

 TIME (YEAR] 



CONTOUR ■ MLW 



73 74 



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4 



I I I i I i | * . ' ' I I ' ' I I ' ' I I ' i I ' i » I ' i ' I » I I I I ' i I i i i 



64 65 66 67 68 69 70 71 



TIME (YEAR] 



CONTOUR : MSL 



73 74 75 











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UJ — < 



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>U 65 65 67 68 69 70 71 



TIME (YEAR] 



CONTOUR : MHW 



!S "7 



4 75 



DISTANCE FROM THE BASE LIME TO STATED CONTOURS AT WB 45 



121 



