#1: Confluence site in a central Columbus alley, looking west.
#2: GPS reading at the confluence site.
#3: The Confluence House, the building that houses 40 North 83 West in its extreme northeast corner.
#4: Geographers Joseph Kerski and Anita Palmer conducting field work in the alley.
#5: Ground cover at confluence--grass, stones, pavement, and trash.
#6: Looking east from the confluence site.
#7: Looking south from the confluence at the garden.
#8: Looking north from the confluence.
#9: 360-degree panorama movie with sound filmed at the confluence site (MPG format).