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Collection: ADMMR |
Place Keywords: United States, Arizona, Pima County, Empire Mountains - 15 Min, T18S R17E Sec 3 SE, Empire Mts. physiographic area, Empire metallic mineral dist., Pima134
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