DRAINAGE INVESTIGATIONS 



S.HM5CR0RYCHIEF 



Y A Z 



BIG BI^CK RIVER VALLEY 



MISSISSIPPI 



SHOWING PROPOSED PLAN OF FLOOD CONTROL 



LEWIS A. JONES. Drainage Ekcin 

 byWJ,SCHUC»nr«ina8eEn|m. 

 C E RAMSER.Assi5far.( Oroinage Engine* 



LEGEND 



26 &"« 



/hxKiedCfiani^lCteo 



Surface Elevoriom (Gutf Datum) 



Bol'om aeyarioai 



Widlhof Channels .1°?, 



