Still waiting on the new computer, but I was able to get two photos to upload (each one took 7 hrs to load).

Here is a good view of the dining room with all the floor removed. I have planks laid across the joists in order to get around.

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And here is a pic of the load bearing 2X8's all the way down in the basement.  They are 18 feet long and are holding up the dining room ceiling while the walls are down.