Binders 65, Part 10 - USGS Project Talks, 1990s Box 40, Frame 21 Collection Context USGS Project Talks, 1990s
Binders 65, Part 11 - USGS Project Talks, 1990s Box 40, Folder 22 Collection Context USGS Project Talks, 1990s
Binders 65, Part 12 - USGS Project Talks, 1990s Box 40, Folder 23 Collection Context USGS Project Talks, 1990s