| Paper | Date | Page | Article Title | Type | ||
|---|---|---|---|---|---|---|
| 51 |
 |
Rocky Mountain Oil and Mining Journal | 1970-05-18 | 7 | page | |
| 52 |
 |
Rocky Mountain Oil and Mining Journal | 1970-05-18 | 8 | page | |
| 53 |
 |
Rocky Mountain Oil and Mining Journal | 1970-05-25 | 1 | page | |
| 54 |
 |
Rocky Mountain Oil and Mining Journal | 1970-05-25 | 2 | page | |
| 55 |
 |
Rocky Mountain Oil and Mining Journal | 1970-05-25 | 3 | page | |
| 56 |
 |
Rocky Mountain Oil and Mining Journal | 1970-05-25 | 4 | page | |
| 57 |
 |
Rocky Mountain Oil and Mining Journal | 1970-05-25 | 5 | page | |
| 58 |
 |
Rocky Mountain Oil and Mining Journal | 1970-05-25 | 6 | page | |
| 59 |
 |
Rocky Mountain Oil and Mining Journal | 1970-05-25 | 7 | page | |
| 60 |
 |
Rocky Mountain Oil and Mining Journal | 1970-05-25 | 8 | page |