^4. 



JtnUom .^^^ •'^ 



Dot torn, t tihhf^erat itrc *^ i?^* 



:K0. of Thermometer f r^f Cor, —^5^ 



Corrected temperature 

 Air I ^ Surfavv 

 Trntvl uf^e*i'^tt'Or4ff^N^/rts 

 SOUNDING WIRE, 



Drifts 



ipo 



5(j., 

 itoo 

 7CXJ 



I .MWJ 

 I l<Kj 

 I.|IN1 



I <;ixt 

 Htm 

 I /rjo 



DREDGE HOPE. 



11' 



