Ref.: Eckel, Edwin B. (1997), Minerals of Colorado, updated & revised: 16. This old mine, known since Cross (1884), is near the valley floor on the southern slopes of Gem Mountain on the North side of Gem Park (N ½ sec. 33, T. 47 S., R. 73 W.).
Mineral List
9 entries listed. 9 valid minerals.
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