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Collection: James Doyle Sell |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 7.5 Min, T18S R13E Sec 5 C, Twin Buttes Open Pit, Pima246
Collection: James Doyle Sell |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 7.5 Min, T16S R13E Sec 31 NW, East Pima Mine, Mission Complex Including Ug, Pima230
Collection: John E. Kinnison mining collection |
Place Keywords: United States, Arizona, New Mexico, 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: G. M. Colvocoresses |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 7.5 Min, Twin Buttes Open Pit, T18S R13E Sec 5 C, Sierrita Mts. physiographic area, Pima metallic mineral dist., Pima246
Collection: Edwin Noel Pennebaker |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 7.5 Min, Twin Buttes Open Pit, T18S R13E Sec 5 C, Sierrita Mts. physiographic area, Pima metallic mineral dist., Pima246