| Paper | Date | Page | Article Title | Type | ||
|---|---|---|---|---|---|---|
| 1 |
 |
Rocky Mountain Oil and Mining Journal | 1970-03-09 | issue | ||
| 2 |
 |
Rocky Mountain Oil and Mining Journal | 1970-03-16 | issue | ||
| 3 |
 |
Rocky Mountain Oil and Mining Journal | 1970-03-02 | issue | ||
| 4 |
 |
Rocky Mountain Oil and Mining Journal | 1970-03-30 | issue | ||
| 5 |
 |
Rocky Mountain Oil and Mining Journal | 1970-03-23 | issue | ||
| 6 |
 |
Rocky Mountain Oil and Mining Journal | 1969-03-01 | issue | ||
| 7 |
 |
Rocky Mountain Oil and Mining Journal | 1969-03-14 | issue | ||
| 8 |
 |
Rocky Mountain Oil and Mining Journal | 1969-03-21 | issue | ||
| 9 |
 |
Rocky Mountain Oil and Mining Journal | 1969-03-28 | issue | ||
| 10 |
 |
Rocky Mountain Oil and Mining Journal | 1969-03-08 | issue |