This article by Richard Koepke describes a tour of the St. Lawrence River that the U.S. Engineer Department gave to a group of congressmen. Boykin, one of the group, is mentioned specifically for his colorful personality and behavior.
This letter was written shortly after the birth of Frank and Ocllo's first child, Frances. In it Frank expresses love and admiration for his wife and new daughter, who are away from home. A transcript of the letter is included.