Gem Trails of Northern California rockhounding field work in the western

field work in the western states and Alaska

Pyrolusite

This systematic approach to mineral exploration is used by successful prospectors and mining companies today

numeric target ID and includes batteries

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Gem Trails of Northern California rockhounding field work in the westernNorthern Californias mineral deposits have much more to offer than the well known gold. Gem Trails of Northern California is your guide to over 76 collecting locations, featuring 60 varieties of minerals and fossils. You will find jade, pink rhodonite and obsidian amongst much much more. Sites featured are both popular and commercial areas as well as little known collecting spots. Each location features a detailed description and directions as well as