Stern post and deadwood
The deadwood (triangular timbers in center) strengthened the joint between the keelson and the stern post

Missing something?
The propeller lies approximately 500 yards southeast of the wreck

Floor keelsons
Large oak timbers make up the floor keelsons at the port bow

A keelson sandwich
The keelson was reinforced on each side with iron plates (bending in foreground)

knees
The knees, made from the naturally strong joints of tree trunks and branches, supported the deck beams