This one looks like an uncropped version of the 12:28 Spak pic
http://911pictures.com/images/previews_lg/911-1334.jpgNatchway's shattered pic looks like a similar position but a bit earlier than your 3:30 pic. A higher res. version of the 3:30 shot seems to be available for purchase
here, but I haven't seen it.
http://www.time.com/time/photoessays/shattered/8.htmlOnly one or two of the pics in the LofC collection show down to the 22nd floor, and then it's just barely visible through a dent in WTC 6's roofline. Those are early on in the day pics. Some of the others may be of use as well for timing purposes.
http://memory.loc.gov/pnp/ppmsca/02100/02121/0140v.jpghttp://memory.loc.gov/pnp/ppmsca/02100/02121/0141v.jpghttp://memory.loc.gov/phpdata/pageturner.p...msca&item=02121Those slide pics can be downloaded in 34MB Tiffs, but I'm not sure how much actual detail that will add (as opposed to say visible dust and hairs on the slides)
This one is probably in a similar time period to the 12:28 shot, I think
http://911pictures.com/images/previews_lg/911-1330.jpgThis one only shows a bit of floor 22
http://911pictures.com/images/previews_lg/911-1824.jpgI'm guessing higher res. versions of those can still be purchased from 911 pictures, but once again, I haven't seen them and am not sure if they would really add anything much in higher res.
Sunlight on the steel beam may help to give the time stamp on the various incarnations of this Spak shot (which doesn't show much of the 18th floor, but I'm being thorough):
http://www.studyof911.com/articles/winston...mages/Fig5a.jpgThis seems to be about the most complete version of it
I don't know if anyone has gone through the Day of Disaster torrent looking specifically for shots of these floors, but I know there are at least a few in there. See this thread:
http://z10.invisionfree.com/Loose_Change_F...showtopic=12603And, as a bonus, while I was on this mission, I ran into a
lower SW corner view pic which has somehow escaped notice in the various analysis threads of that area which I've seen.
Somewhere there no doubt exists an uncropped version of NIST's Figure L-22 which would look something like
this at
this resolution or higher. But I haven't seen it.