Dr. Robert Diffendal, Ph.D., a professor emeritus at UNL, is a geologist. He came here to speak. Folks came to listen. In the audience were people from most of the area towns as well as Seneca, Kansas, and, from the big city of Minneapolis, Tom Albin, a former Humboldtite. It was worth the time of a sunny Sunday afternoon.
A good-sized audience gathered in the Table Rock theater to he...