es) 
ale] 
ae 
es 
el 
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ees 
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Pale 
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Fic. 3.—Profiles across “high” near Mankato, Kansas. Station 1 is at NE. cor. 
Sec. 1, T. 3 S.,R.qg W. Vertical intensity obtained with Schmidt magnetometer; hori- 
zontal intensity, with Brunton compass attachment. 
By triangulation procedure, depth to the disturbing mass could be cal- 
culated under some conditions. 
115 
