This is a shot just below the left side of the wall. The beam under the wall is an actual 6x6. Piers in this area are 4' apart. The piers have been reconstructed and are solid.
These shots show the bedroom wall from the attic. All the lumber in the home is actual size. Joists in this area are 2X8 and the top plate of the wall is a 2x4. The joists run front to back and run past the top plate of the wall.
This is a shot of the top plate and the joists. They sit 12 on center.