| Title | Twin River Formation (Redefinition), Northern Olympic Peninsula, Washington |
| Publication Type | Journal Article |
| Year of Publication | 1958 |
| Authors | Brown, Robert D. Jr., and Howard D. Gower |
| Secondary Title | Bulletin of the American Association of Petroleum Geologists |
| Volume | 42 |
| Issue | 10 |
| Pagination | 2492-2512 |
| Accession Number | S-2056 |
| Keywords | Clallam formation, Eocene, fossils, Lyre Formation, Miocene, Sedimentary rocks, Twin River Formation, Washington |
| Notes | Lyre formation, Clallam formation; Eocene to Miocene |
| Series Title | Bulletin of the American Association of Petroleum Geologists |
