| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 57 | 1897 | Chester Wells Purington | USGS | Arrangement of talus in a basin in the San Juan Mountains, Colorado |
| 2 | 65 | 1897 | Chester Wells Purington | USGS | The ore deposits of the Telluride Quadrangle, Colorado |
| 3 | 158 | 1904 | Chester Wells Purington | USGS | A journey in the eastern Atlai, Siberia |