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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, Marana - 7.5 Min, T12S R12E Sec 6 SE, Rillito physiographic area, California Portland Cement Co., Arizona Portland Cement, Marana Plant Pit, Pima29
Collection: ADMMR |
Place Keywords: United States, Arizona, Pima County, Vaca Hills - 15 Min, T12S R8E Sec 11 C, Silver Bell Mts. physiographic area, Silver Bell metallic mineral dist., El Tiro Open Pit, Asarco Silver Bell, Oxide Open Pit, Pima272
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