| Title | Geologic Reconnaissance of Semisopochnoi Island, Western Aleutian Islands, Alaska |
| Publication Type | Report |
| Year of Publication | 1959 |
| Authors | Coats, Robert R. |
| Secondary Title | U. S. Geological Survey Bulletin |
| Volume | 1028-O |
| Pagination | 477-519 |
| Institution | Department of the Interior |
| ISBN Number | 1028-O |
| Accession Number | S-209 |
| Keywords | Alaska, Andesite, basalt, Lava, minerals, Quaternary, sediments, Volcanic rocks |
| Notes | Quaternary |