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| Title | Date | Type | ||
|---|---|---|---|---|
| 1 |  | Independent & Bonanza Gilsonite Veins and the Cowboy Vein - Ziegler Chemical & Mineral Corp | 1996 | Image/StillImage |
| 2 |  | Ziegler Chemical & Mineral Corporation Property Survey Located In Section 15, T9S, R24E, Uintah County, Utah | 1996 | Image/StillImage |
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