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Geologic map of the Tennessee Pass area, Eagle and Lake counties, Colorado
Ogden Tweto
1956, Miscellaneous Field Studies Map 34
The triangular area bounded by the most productive mining districts of central Colorado- Leadville, Climax-Kokomo, and Gilman-Red Cliff- is of economic interest not only because of its close spatial relation to these districts but because it is closely related geologically.  It contains the same rocks as the adjoining mining districts...