| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 1 |
 |
Delbert and Ella Tanner Oral History Interview | 1978-10-17 | Text | dha_uhsoh |
| 2 |
 |
Method and apparatus for recovering viscous petroleum from thick tar sand | 1978-10-17 | Text | ir_eua |
| 3 |
 |
Separation of bitumen from dry tar sands | 1978-10-17 | ir_eua |