| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 1091 | 1982 | Clifford M. Nelson | USGS | Federal support paleontology in the 19th century or, why there are paleontologists in the US Geological Survey |
| 2 | 1174 | 1988 | Clifford M. Nelson | USGS | Regional geologic mapping by the 4 1/2 'Great Surveys of the American West,' 1867-1879 |