136 Transactions of the Academy of Science of St. Louis 
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LEGEND 
Granite 
Pink felsite 
A Purple flow breccia 
Red flow breccia 
€ Black and red porphyry 
Dark red porphyry 
lron veins 
C\ 
Contour Interval 100 feet 
SCALE 
1000 _ 0 2000 4000 feet 
PLate VI. AREAL GEOLOGY oF SToUTS CREEK SHUT-IN 
