Rec | Mtg# | Year | Authors | Institution | Talk title |
---|---|---|---|---|---|
1 | 883 | 1966 | Allen V. Heyl | USGS | The 38th parallel lineament and its relationship to ore deposits |
2 | 897 | 1967 | Allen V. Heyl | USGS | Genetic aspects of zinc-lead-barite-fluorite deposits in the Mississippi Valley |