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Five double-sided maps show mineral deposits and mining activity in Montana as well as historic maps from 1891 for comparison. Montana Gold & Gems Then and Now shows locations of 63 precious minerals from gold & silver to agate, amethyst and azurite to jasper, malachite and opal to sapphire, topaz and zeolite.
Great map set for rockhounding, gem hunting and gold prospecting in Montana. ISBN 097204417-5
Montana is rich in gems and minerals. Find: