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Collection: ADMMR |
Place Keywords: United States, Arizona, Pima County, San Xavier Extension Group, Red Oxide Group, Wakefield Group, Arcade Mine, Twin Buttes - 15 Min, T17S R12E Sec 3 SE, Pima metallic mineral dist., Sierrita Mts. physiographic area, Pima240
Collection: Walter E. Heinrichs, Jr. |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 15 Min, T18S R12E Sec 20 NW, Sierrita Mts. physiographic area, Pima metallic mineral dist., Pima224
Collection: Walter E. Heinrichs, Jr. |
Place Keywords: United States, Arizona, Pima County, Twin Buttes - 15 Min, T18S R12E Sec 20 NW, Sierrita Mts. physiographic area, Pima metallic mineral dist., Pima224