- Archaeological Investigation of Structure 6F4, Ciudad Vieja, El Salvador By Jeb J. Card (Adapted from a poster presented at the 66th Annual Meetings of the Society for American Archaeology, April 20th, New Orleans, LA) Introduction: Since 1996, Dr. William Fowler (Vanderbilt University) has directed archaeological investigation of the 16th century Spanish Colonial site of Ciudad Vieja. In ...studentweb.tulane.edu/~jcard/saa/saa1.html