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  1. The Ore bin ; Vol. 26 No. 9 (September 1964)

    Oregon's mineral industry zooms upward / Ralph S. Mason -- Crack-in-the-Ground, Lake County, Oregon / Norman V. Peterson and Edward A. Groh.

  2. The Ore bin ; Vol. 33 No. 3 (March 1971)

    Several changes appear to be needed in present disposal practices.

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