| Title | Thunderegg: Oregon's State Rock |
| Publication Type | Journal Article |
| Year of Publication | 1965 |
| Authors | Oregon Department of Geology and Mineral Industries |
| Secondary Title | Ore Bin |
| Volume | 27 |
| Issue | 10 |
| Pagination | 189-204 |
| Accession Number | S-1481 |
| Keywords | minerals, Oregon |
| Series Title | Ore Bin |