Technical Report Archive & Image Library (TRAIL) - 3 Matching Results

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Plate-I Belgian Congo Geography
Historic map of Belgian Congo and surrounding areas showing geographical features. Scale 1:5,000,000
Possibilities for Additional Uranium in Belgian Congo
Discussing the potential for Belgian Congo to be used as a uranium source.
Sponge-Iron Experiments at Mococo
From Forward: "This bulletin covers one phase of the program of the Metallurgical Division of the Bureau of Mines on the direct production of iron from its ores. Another phase of this program has been covered in Bulletin 391, Microscopic Structure and Concentratability of the Important Iron Ores of the United States, by S. R. B. Cooke. Methods of iron-core concentration will be discussed in future bulletins."
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