Entries from Lyman Wilbur's daily diary from 1956 describing the Wilburs' 1956 trip to Afghanistan as well as the days leading to the trip, when Wilbur met with people to discuss the project in Afghanistan. While these diary entries do not cover...
A photograph of a page in a geology text book discussing caves and caverns. This slide is part of a collection of teaching materials prepared by Edward Rhodenbaugh.
