9-161 a 
United States Department of the Interior — GEOLOGICAL SURVEY 
SURVEY OF THE 
1 
♦ 
In charge . 
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[ Field: 
[ Determined: 
LOCALITY: 6,1* /ft 
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Collector: 
m 
I i 
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Date: 
Notebook: 
Page: 3 
Memoranda: 
16 - 20967-1 GPO 
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