Extraction of copper and nickel from the Duluth Gabbro complex by selective high-temperature sulfatization / by F.E. Joyce, Jr.
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Other title: | Duluth Gabbro complex. |
Format: | Government Document Book |
Language: | English |
Published: |
[Washington, D.C.] :
U.S. Dept. of Interior, Bureau of Mines,
[1971]
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Series: | Report of investigations (United States. Bureau of Mines) ;
7475. |
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