Columbite and tantalite from the Black Hills of South Dakota
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Abstract
THE occurrence of columbite in the Black Hills was first noticed by Prof. W. P. Blake in 1884.tThe localities then known were the Etta and Bob Ingersoll mines, ill Pennington 00., S. D., and within a few miles of each other.
| Reference Key |
openalex_W2324829779
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|---|---|
| Authors | William P. Headden |
| Journal | american journal of science |
| Year | 1891 |
| DOI |
10.2475/ajs.s3-41.242.89
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| URL | |
| Keywords | Keywords not found |
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