| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 188 | 1907 | (Charles) Whitman Cross†; George Ferdinand Becker; Arthur Louis Day; Andrew Cowper Lawson; George Otis Smith; Frederic Eugene Wright; Waldemar Lindgren |
USGS | Discussion of methods of igneous intrusion |
| 2 | 390 | 1924 | Andrew Cowper Lawson | University of California, Berkeley | Some geological implications of isostasy |