| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 100 | 1900 | George Otis Smith; John Duer Irving |
USGS | Lake Superior and Adirondack methods |
| 2 | 103 | 1900 | John Duer Irving | USGS | The siliceous ores of the Black Hills |
| 3 | 168 | 1905 | John Duer Irving | Lehigh University | The ore deposits of the Ouray Quadrangle, Colorado |