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Nevada Gold and Gems Maps by R.N./M.L. Preston.
A collection of 5 large maps covering the entire state of Nevada. These maps show gold and silver prospecting areas, and locations where the following gems and minerals have been found: actinolite, agate, amethystine, Apache tears, apatite, azurite, barite, beryl, bloodstone, calcite, carnelian, chalcedony, chert, chrysocolla, corundum, epidote, fire opal, fluorite, fossils, garnet, geodes, hematite, jasp-agate, jasper, limb cast, malachite, nodules, obsidian, onyx, opal, opalite, opalized wood, petrified wood, pyrite, quartz, rhodochrosite, rhyolite, selenite, sunstones, topaz, tourmaline, turquoise, variscite, wonderstone, wulfenite, zeolite, and zircon.
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