| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 473 | 1931 | Philip John Shenon | USGS | The Flathead mine, Montana, an unusual silver deposit |
| 2 | 503 | 1933 | Philip John Shenon; J. C. Reed |
USGS | The relationship of the quartz veins to the regional structure in the Elk City district, Idaho |
| 3 | 524 | 1935 | Philip John Shenon | USGS | The Utah earthquake of 1934 |