Black and white photograph taken from under the triple underpass in Dealey Plaza on August 5, 1964, looking northeast toward the Texas School Book Depository. Cars can be seen driving on Elm and Main Streets, and two unidentified men are standing on the median between Main and Commerce streets, taking some measurements and surveying the area.This copy of a photograph was part of FBI Special Agent Lyndal Shaneyfelt's Kennedy assassination file; Shaneyfelt assisted in the FBI investigations of the assassination conducted on behalf of the Warren Commission in 1964.