Robert L. Christiansen Search works
| Image |  |
|---|---|
| Description | American geologist (1935-2022) |
| Nationality | United States |
| Gender | male |
| Date of birth | 1935 |
| Occupation | geologist, researcher |
| Place of birth | |
| Country of birth | |
| Date of death | September 15, 2022 |
| Age | 87 |
| Wikipedia link | |
| Commons link | |
| Wikisource link | |
| Wikiquote link | |
| In public domain? | ✗ No |
| Missing/wrong data? | Edit Wikidata item |