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Collection: Walter E. Heinrichs, Jr. |
Place Keywords: United States, Arizona, Pima County, Avra - 7.5 Min, Rillito Quarry, Arizona Portland Cement Quarry, Twin Peaks Rock And Stone, T12S R11E Sec 26 SW, Avra Valley physiographic area, Amole metallic mineral dist., Pima28
Collection: Walter E. Heinrichs, Jr. |
Place Keywords: United States, Arizona, Pima County, Avra - 7.5 Min, Rillito Quarry, Arizona Portland Cement Quarry, Twin Peaks Rock And Stone, T12S R11E Sec 26 SW, Avra Valley physiographic area, Amole metallic mineral dist., Pima28