Title | Date | Type | ||
---|---|---|---|---|
1 |
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Dissertation on the history, occurance, mining, and economics of Gilsonite | 1905-05-02 | Text |
2 |
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Geochemical exploration for Gilsonite | 1905-05-14 | Text |
3 |
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Gilsonite | 1905-04-17 | Text |
4 |
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History of the Gilsonite industry | 1905-05-12 | Text |
5 |
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Investigation of the organic bases of Gilsonite | 1905-05-02 | Text |