Notes/Sketches/Additional Taxa : S-U-e^e- Ct^-aSL^2^_JL O2.^\o\<\<\ h^ k- • B^Jtls 



Sifc- L-cc^J-^ : T2.4M Ro4uJ 2.3 ^Cb 



u«4-. 4? 4# 4 2- 



kcwxj. |I2 £>4 5Z 



Pollution Index: 



PRA PTC No. 1 3-74 x 1 = 



PRA PTC No. 2 kS~.2-Q X 2 = 



PRA PTC No. 3 31 . OU x 3 = 



= ZZ7.3Z . Divided By 100 = 



Siltation Index: 

 PRA Navicula sp. 



PRA Nitzschia sp . 



PRA Surirella sp . 



6 .8S~ 



gV3£ 



+ 



m 



\z 



