A team of international relief experts toured the blast site last week.
Police closed down a 15-block area around the blast site; this was reduced to a 12-block crime scene on April 16.
It took emergency vehicles and first responders less than four minutes to reach the blast site.
The dismembered bodies of at least 15 people were found on the street near the blast site.
Iraq's second largest city, Basra, is only some 60 miles east of the blast site.
The majority would fall within thirty kilometers of the blast site.
The valve that had to be turned off by hand was about a quarter mile from the blast site.
"Were we anywhere near a blast site, do you mean?"
It was a that details a road trip a few friends take after they find a burnt diary at a blast site.
The Humvees blocked the street several hundred feet north of the blast site.