The geologists Sylvia Horn, Jan van Dongen, Tom Halley and Dr. Heinz Ullrich are looking for niobium, tungsten and uranium in South Africa. Their opponent is the criminal Don Connors, who is also after the raw materials.
Sep 30, 1968
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Oct 7, 1968
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Oct 14, 1968
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Oct 21, 1968
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Oct 28, 1968
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Nov 4, 1968
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Nov 11, 1968
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Nov 18, 1968
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Nov 25, 1968
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Dec 2, 1968
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Dec 9, 1968
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Dec 16, 1968
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Dec 23, 1968
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