| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 773 | 1957 | Robert George Schmidt | USGS | Titaniferous sedimentary rocks in the Cuyuna District, Minnesota |
| 2 | 1298 | 1998 | Robert George Schmidt | USGS | More then jars and coins: the environmental legacy of Roman silver-lead mining at Plasenzuela, Extremadura, Spain. |