International strategic minerals inventory summary report; niobium (columbium) and tantalum (Q55147)
From geokb
USGS Numbered Series published by U.S. Dept. of the Interior, Geological Survey, in 1993
- C 930
- cir930M
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | International strategic minerals inventory summary report; niobium (columbium) and tantalum |
USGS Numbered Series published by U.S. Dept. of the Interior, Geological Survey, in 1993 |
|
Statements
15 July 1993
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