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Collection: ADMMR |
Place Keywords: United States, Arizona, Pinal County, Grayback - 7.5 Min, T4S R13E Sec 5 C, Ray physiographic area, Riverside metallic mineral dist., Pinal327
Collection: Walter E. Heinrichs, Jr. |
Place Keywords: United States, Arizona, Pinal County, Grayback - 7.5 Min, T4S R12E Sec 18 SE, Tortilla Mts. physiographic area, Riverside metallic mineral dist., Pinal342