Filters: Tags: T18S R15E Sec 25 NW (X)

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Mineral Survey Plat No. 3954, Sheet 2 ADMMR map collection: Mineral Survey Plat No. 3954, Sheet 2; 1 in. to 1000 feet; 18 x 13 in. Categories: Data; Tags: 1920s, Arizona, Copper, Sulfide, Dataset, Eclipse Mine Group, All tags... Eldon Or Backbone, Gold, Lode, Helvetia-Rosemont metallic mineral dist., Olcott Or Triangle, Pima County, Sahuarita - 15 Min, Santa Rita Mts. physiographic area, Silver, Sulfide, T18S R15E Sec 25 NW, United States, claim maps, geoscientificInformation, mineral resources, plats, Fewer tags Geologic Map of the Helvetia Area ADMMR map collection: Geologic Map of the Helvetia Area; 1 in. to 500 feet; 44 x 42 in. Categories: Data; Tags: 1960s, Arizona, Copper, Sulfide, Dataset, Eclipse Mine Group, All tags... Eldon Or Backbone, Gold, Lode, Helvetia-Rosemont metallic mineral dist., Olcott Or Triangle, Pima County, Sahuarita - 15 Min, Santa Rita Mts. physiographic area, Silver, Sulfide, T18S R15E Sec 25 NW, United States, drilling and coring, geologic maps, geology, geoscientificInformation, maps and atlases, Fewer tags Geologic Map of the Helvetia Mining District ADMMR map collection: Geologic Map of the Helvetia Mining District; 1 in. to 400 feet; 46 x 42 in. Categories: Data; Tags: 1960s, Arizona, Copper, Sulfide, Dataset, Eclipse Mine Group, All tags... Eldon Or Backbone, Gold, Lode, Helvetia-Rosemont metallic mineral dist., Olcott Or Triangle, Pima County, Sahuarita - 15 Min, Santa Rita Mts. physiographic area, Silver, Sulfide, T18S R15E Sec 25 NW, United States, geologic maps, geology, geoscientificInformation, maps and atlases, Fewer tags