| 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 |