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The rockhound’s guide to Arizona

GBK Blair, Gerry AZ The rockhound’s guide to Arizona. Falcon, 1992
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Gem trails of Arizona

GBK Mitchell, James R. AZ Gem trails of Arizona. Gem Guides, 1995.
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The rockhound’s guide to California

GBK Butler, Gail CA The rockhound’s guide to California. Falcon, 1995
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Gem trails of California

GBK Mitchell, James R. CA Gem trails of California. Gem Guides, 1986
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