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Stephen M. Voynick

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Stand Alone

The great American sapphire
Leadville
New Mexico rockhounding
Riding the higher range
Climax
Colorado Gold
Colorado Rockhounding
Leadville, a miner's epic
The making of a hardrock miner
Yogo
Yogo: The Great American Sapphire
New Mexico Rockhounding: A Guide to Minerals, Gemstones, and Fossils
The Great American Sapphire