Technical paper - Bureau of Mines.
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| 企业作者: | |
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| 格式: | Government Document 序列 |
| 语言: | English |
| 出版: |
Washington D.C. :
The Bureau : for sale by the Supt. of Docs., U.S.Govt. Print. Off.
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| 主题: |
| 出版: | 1-727; 1911-49. |
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| 实物描述: | 727 nos. : ill., plates, maps, plans, diagrs., forms. ; 25 cm. |
| 出版频率: | Irregular |
| ISSN: | 0886-0904 |