I've read that too, and their hands turned purple. I told Betty we should see who can find more accounts of who took longer to die--Davey or Lewis because there are a shocking amount of reports on either side. It's amazing how so many people can witness the same thing and see something different.
“Within this enclosed area a structure to be inhabited by neither the living or the dead was fast approaching completion.”
~New York World 7/8/1865