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Ramp, Len
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1. [Article] The Ore bin ; Vol. 31 No. 12 (December 1969)
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2. [Article] The Ore bin ; Vol.24 No.2 (February 1962)
Some aspects of the regional geology of south-central Oregon / George W. Walker -- Geochemical prospecting for copper in the Baker, Oregon, area / Richard G. Bowen -- History of late Tertiary mammalian ...Citation