Site-Sample No.. 



74 



4 4- 



Page X of X 



Notes 



/Sketches/Additional Taxa : s(l <i<- ^--^«L^ * Je _Ji oz./oe/q^ (?« l_ - E&axJs 



U«_f. 'I 7 32 



3Qp 



IS 



Pollution Index: 



PRA PTC No. 1 Z- 12- x 1 = 



PRA PTC No . 2 ->j,S8 X 2 = 



PRA PTC No. 3 ^4.3>Q x 3 = 



= 2.4. z., I & Divided By 100 = 



Siltation Index.- 

 PRA Navicula sp . 



PRA Nitzschia sp . 



PRA Surirella sp . 



o . CfZ. 



o- o 



2 .7 



