If you haven't seen Dave's excellent post on bothiebarn.com, go check it out. He walks the path from where B and H left the thicket to Jones' home. As usual with Dave's information, it is most well done. I offered to play the part of JWB and steer when Dave decides to recreate the row across the Potomac. Very "generous" of me I think.
Heath
http://boothiebarn.com/2013/06/25/follow...mment-3288
ps, check out this photo of the White House and Treasury from circa 1860 that I found. It was taken near modern day 15th and Constitution.