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Collection: James Doyle Sell |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 15 Min, T16S R12E Sec 35 SW, Sierrita Mts. physiographic area, Pima metallic mineral dist., Azurite, Pima228
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: Roland Mulchay |
Place Keywords: United States, Arizona, Pima County, Vaca Hills - 15 Min, El Tiro Open Pit, Asarco Silver Bell, Oxide Open Pit, T12S R8E Sec 11 C, Silver Bell Mts. physiographic area, Silver Bell metallic mineral dist., Pima272