No. - I (? Q - ^ 
Date _^ ® 
lr 
Co. V - r ' > -' -. , 
Quadrangle ____ Elevation_Atm. Pr. . 
Time 3 \ Weather_ftel. Humidity_Temp. 
Terrain _ 
Geological Formation _ 
Turbidity_ 
Width /o- 
M. 0. Aik. 
r' ~ i>~i ~ 
-— .«m ■ 
Flow^ - 
•V*v_>C^U- 
Temp. 
Depth 
_ 
°2 
Phenolphthalein Aik 
