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'•' surface of water, 
'• at deptli of fetliomsi, 
“ of bottom, 
Depth, ill fatlioins, 
Nature of bottom, 
Direction of surface current. 
Force of surface current, 
] )ii’ecti(m of f)ottoin current. 
l‘'orce (if bottom current, 
Name of vessel, 
To what service attached, 
Name and I’ank of comniiindiner oilicei’. 
m% 
Name and po.«ition of observer, 
