| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 498 | 1933 | Thomas Andrews Hendricks | USGS | Some Pleistocene changes in the course of the Canadian River, Oklahoma |
| 2 | 573 | 1939 | Thomas Andrews Hendricks | USGS | Structural interpretation of recent gravity observations in southeastern Oklahoma |
| 3 | 585 | 1940 | Thomas Andrews Hendricks | USGS | Structure of the western part of the Ouachita Mountains, Oklahoma |
| 4 | 607 | 1942 | Thomas Andrews Hendricks | USGS | A cold spring manganese deposit in North Dakota |