Captions:

1. Rudy has them spellbound by his history lesson and extensive depiction of the Square Rule, and why it's so important to the success of this project.
2. Brian Beals: Teaching and talking and teaching, slow going, but it is why we are here.
3. More explanations, in the shade we are more attentive.
4. One of a kind joint - or a familiar joint in a puzzling location. This is a shot from a series taken last November as the Chamberlin barn was coming down; this was the beginning of its transformation into Hertzler Barn. Forebay is to your right, 25' cantilevered joist runs back to the left.