| Paper | Date | Page | Article Title | Type | ||
|---|---|---|---|---|---|---|
| 1 |
 |
Rocky Mountain Oil and Mining Journal | 1969-08-04 | issue | ||
| 2 |
 |
Rocky Mountain Oil and Mining Journal | 1969-08-11 | issue | ||
| 3 |
 |
Rocky Mountain Oil and Mining Journal | 1969-08-18 | issue | ||
| 4 |
 |
Rocky Mountain Oil and Mining Journal | 1969-08-25 | issue | ||
| 5 |
 |
Rocky Mountain Oil and Mining Journal | 1970-08-03 | issue | ||
| 6 |
 |
Rocky Mountain Oil and Mining Journal | 1970-08-17 | issue | ||
| 7 |
 |
Rocky Mountain Oil and Mining Journal | 1970-08-24 | issue | ||
| 8 |
 |
Rocky Mountain Oil and Mining Journal | 1970-08-31 | issue |