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Collection: James Doyle Sell |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 7.5 Min, T16S R12E Sec 36 NE, Sierrita Mts. physiographic area, Pima metallic mineral dist., Palo Verde, Mission Extension, Pima233
Collection: Cambior Exploration USA |
Place Keywords: United States, Arizona, Pima County, Sahuarita - 15 Min, Rosemont, Helvetia, East Helvetia, Helvetia-Rosemont, T18S R15E Sec 36 NE, Santa Rita Mts. physiographic area, Helvetia-Rosemont metallic mineral dist., Pima866
Collection: John E. Kinnison mining collection |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 7.5 Min, East Pima Mine, Mission Complex Including Ug, T16S R13E Sec 31 NW, Sierrita Mts. physiographic area, Pima metallic mineral dist., Pima230
Collection: John E. Kinnison mining collection |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 7.5 Min, East Pima Mine, Mission Complex Including Ug, T16S R13E Sec 31 NW, Sierrita Mts. physiographic area, Pima metallic mineral dist., Pima230