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Index of Oil-Shale and Shale-Oil Patents, 1946-56: A Supplement to Bulletins 467 and 468: (In Three Parts) [Part 3]. European Patents and Classification

Description: From Introduction: "This part of Bulletin contains 250 European patents that relate to retorting (and distilling underground), refining, and utilization of oil shale and its products. The largest single group, of which the majority was assigned to a single company, relates to fluidized handling shale. The patents are arranged numerically, and alphabetical list of investors and assignees follow them. A classified list of all the patents follows the author index of Part III. Parts I and II were p… more
Date: 1959
Creator: United States. Bureau of Mines.
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Uranium in the Upper Cambrian Black Shale of Sweden

Description: Report discussing Sweden Upper Cambrian black shales, which contain uranium. The report contains sections on the distribution and geologic setting of the alum shales, stratigraphy and lithology of shales, mineralogy and composition, areal variations in facies, origin, and suggestions for prospecting.
Date: January 1955
Creator: McKelvey, V. E.
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