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Western gem hunters atlasrock locations from California to the Dakotas and British Columbia to TexasBookद्वारा Johnson, Cy (Humphrey Cyril), 1905-
प्रकाशित 1971 -
Idaho gold & gems maps then and nowgoldsilver agate topaz corundum quartz garnet jasper opal petrified wood feldsparMapप्रकाशित 2000
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Oregon goldsilver & gems maps then and nowgoldsilver agate apache tears bloodstone thunder eggs tourmaline jadeMapप्रकाशित 2000
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Northwest gem trailsa field guide for the gem hunter mineral collector and tourist covering both popular and little known areas of Oregon Washington Idaho British ColumbiaBookद्वारा Dake, H. C. (Henry Carl), 1896-1969-
प्रकाशित 1962