The National Geographic Magazine, Volume 106National Geographic Society, 1954 - Geography Indexes kept up to date with supplements. |
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Page 533
... uranium . Its chief uses then were for coloring pottery , glassware , and false teeth . Today , in contrast , uranium is the most sought - after metal on earth , the essential ma- terial both for making atomic bombs and for producing ...
... uranium . Its chief uses then were for coloring pottery , glassware , and false teeth . Today , in contrast , uranium is the most sought - after metal on earth , the essential ma- terial both for making atomic bombs and for producing ...
Page 550
... uranium ore ( pitchblende ) in a formation not previously known to carry uranium in that area . His discovery may be the most valuable yet made in the region . Almost anyone who feels the urge can pros- pect for uranium in the Colorado ...
... uranium ore ( pitchblende ) in a formation not previously known to carry uranium in that area . His discovery may be the most valuable yet made in the region . Almost anyone who feels the urge can pros- pect for uranium in the Colorado ...
Page 557
... uranium metal or a refined uranium salt has very little radioactivity and can be handled without danger . When refined to pure metal , uranium has a steel - gray color . It will spark easily when scratched with a knife blade or with any ...
... uranium metal or a refined uranium salt has very little radioactivity and can be handled without danger . When refined to pure metal , uranium has a steel - gray color . It will spark easily when scratched with a knife blade or with any ...
Contents
Spearing Lions with Africas Masai These Spartan Aristocratic War | v |
New National Geographic Map Depicts Northern Africa and the Mediter | vii |
Lured by the Grandeur of Distant Peaks Four | xii |
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