I think Don typoed Conflagraton. Or, as my meteorology proff said " a really, really big fire" To the remedial english freshmen. As to airborn pathogens, we defer to our forum colleage Beachdoc.I spent an equally memorable night in a rock shelter. We were doing preliminary excavations At Wood Ranch, next to the present Reagan Library. I made fry bread in a dutch oven. A volunteer said it was inappropriate ( as our native rep. monitor wolved down her portion) and walked off to get a native vegetarian salad. She returned with a lovely harvest of poison sumac.