1922] THONE—STARVED ROCK 359 
ee eee ee ee eee ee eee ee Oe, ee a le eee 
I 25 30cc 
Lilet sa cetan hala S 
SAREE PT NMS AMET 
= 
~% 
5 
m 
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emt 
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> 
5 
a 
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= 
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10 m2 25 cc 
Pa See ee GE ees We RE ae ae Rae eee 
Fic. 3.—Mean daily amounts of evaporation in cubic centimeters from standard 
spherical black and white atmometers; cg columns indicate simple atmometric 
irect insolation; a zero at 
eltect; white extensions, increase rat 
of column signifies data lacking ee the period. 
