#1: The confluence of 39 North 77 West lies just to the left of the large tree in the center of the photograph, inside the apartment building.
#2: Geographers Nikolas Schiller and Joseph Kerski center themselves at 39 North 77 West.
#3: GPS reading before most satellites are lost at the edge of the apartment building.
#4: View to the east from the confluence.
#5: View to the west, 40 meters north of the confluence, at the public library and beyond.
#6: Meridian Place, home of the Association of American Geographers, Washington DC.
#7: The confluence is in the lower left apartment in this building.
#8: Panoramic movie in 360-degrees with sound filmed at the confluence (MPG format).