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<br />DEPARTMENT OF NATURAL RESOURCES
<br />COLORADO GEOLOGICAL SURVEY
<br />JOHN W, ROLD, DIRECTOR
<br />
<br />COLORADO GEOLOGICAL SURVEY
<br />ENVIRONMENTAL GEOLOGY 10
<br />
<br />PLATE 3 OF 4
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<br />Base from U. S. Geological Survey
<br />7.5' topagraphlc Quadrangles: Drake a Masanv i lie
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