| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 80 | 1898 | Arthur Coe Spencer; George Herbert Girty |
USGS | The Devonian in southwestern Colorado |
| 2 | 115 | 1901 | George Herbert Girty | USGS | The Waverly Group in Ohio |
| 3 | 147 | 1903 | George Herbert Girty | USGS | A comparison of some Carboniferous sections in Pennsylvania and Ohio |