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TitleDateSubjectDescription
1 Occurrence, properties, and uses of some natural bitumens1961Natural bitumens; Hydrocarbon; Cannel coals; TorbanitesIn this report, the Federal Bureau of Mines presents a summary of the occurrence, properties, and uses of some natural bitumens, using the layman's or dictionary definition of bitumens - that is, naturally occurring hydrocarbons. Emphasis is on the less common solid and semisolid bitumens, particula...
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