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| 1 | Title: | The iron ores of Lake Superior: containing some facts of interest relating to mining, beneficiation and shipping of the ore, and location of principal mines | |
| Creator: | Crowell & Murray | ||
| Publication: | Penton Press, Cleveland,1927. | ||
| Notes: | Includes index. | ||
| Call #: | TN403 M5C9 1927 | ||
| Extent: | 365, viii p. : ill., fold. maps ; 24 cm. | ||
| Subjects: | Iron ores -- Superior, Lake | Mines and mineral resources -- Superior, Lake | Cleveland imprints 1927 | ||
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