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Rockhounding Montana
E-bok,
2006,
Engelska,
ISBN 9780762758296
A complete guide and source-book brimming with advice on collecting and preparing gems and minerals.
Rockhounding Montana
E-bok,
2015,
Engelska,
ISBN 9781493014484
With this informative, fully updated and revised guide, you can explore the mineral-rich region of Montana. It describes the states best rockhounding sites and covers popular and …