| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 485 | 1932 | William Drumm Johnston Jr. | USGS | Structure of the Grass Valley batholith, California |
| 2 | 644 | 1946 | William Drumm Johnston Jr. | USGS | The Geological Survey in Latin America |
| 3 | 790 | 1958 | William Drumm Johnston Jr. | USGS | Outside Interior or the Geological Survey's part in foreign technical assistance, 1940-1958. (Presidential Address) |
| 4 | 831 | 1962 | William Drumm Johnston Jr. | USGS | Movie: The Amapa manganese deposit, Brazil (Icomi-Bethlehem Steel Co.) |