| Title | Geologic Field Trips in Northern Oregon and Southern Washington |
| Publication Type | Report |
| Year of Publication | 1973 |
| Authors | Beaulieu, John D. |
| Secondary Title | Department of Geology and Mineral Industries Bulletin |
| Volume | 77 |
| Pagination | 3-206 |
| Institution | Oregon Department of Geology and Mineral Industries |
| ISBN Number | 77 |
| Accession Number | S-1577 |
| Keywords | basalt, Cenozoic, Cretaceous, landslides, Lava, Oregon, stratigraphy, Volcanic rocks, Washington |
| Notes | Coast Range, Columbia River Gorge, Yakima Basalt, Mount St. Helens; Cretaceous, Cenozoic |