77 resultados para SYNTHETIC DIAMOND
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"Prepared for Office of Coal Research, Department of Interior."
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Item 1013-A, 1013-B (microfiche)
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"January, 1961."
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"November, 1965."
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Includes bibliographical references.
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Cover title.
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"October 1955."
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Radiometric logging of the drill holes was accomplished by means of a Geiger counter-type probe. Samples for chemical assay were selected after checking the core with a Geiger counter and correlation with the radiometric logging record. The exploration project did not disclose significant amounts of ore-grade material although encouraging indications were found at two different properties.
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Added title page, engraved
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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"January 1958."
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[v.2] & [v.5] have New York imprint only