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Collection: ADMMR |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 15 Min, T17S R12E Sec 1 NW, Sierrita Mts. physiographic area, Pima metallic mineral dist., Pima221
Collection: ADMMR |
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: ADMMR |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 7.5 Min, T16S R13E Sec 31 NW, Sierrita Mts. physiographic area, Pima metallic mineral dist., East Pima Mine, Mission Complex Including Ug, Pima230
Collection: ADMMR |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 15 Min, T16S R12E Sec 36 S2, Sierrita Mts. physiographic area, Pima metallic mineral dist., Pima Open Pit Mine, Pima883
Collection: ADMMR |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 7.5 Min, T18S R13E Sec 5 C, Sierrita Mts. physiographic area, Pima metallic mineral dist., Twin Buttes Open Pit, Pima246