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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 - 15 Min, Pima Open Pit Mine, T16S R12E Sec 36 S2, Sierrita Mts. physiographic area, Pima metallic mineral dist., Pima883