| Paper | Date | Page | Article Title | Type | ||
|---|---|---|---|---|---|---|
| 51 |
 |
Rocky Mountain Oil and Mining Journal | 1970-11-16 | 3 | page | |
| 52 |
 |
Rocky Mountain Oil and Mining Journal | 1970-11-16 | 4 | page | |
| 53 |
 |
Rocky Mountain Oil and Mining Journal | 1970-11-16 | 5 | page | |
| 54 |
 |
Rocky Mountain Oil and Mining Journal | 1970-11-16 | 6 | page | |
| 55 |
 |
Rocky Mountain Oil and Mining Journal | 1970-11-16 | 7 | page | |
| 56 |
 |
Rocky Mountain Oil and Mining Journal | 1970-11-16 | 8 | page |