So how far does shotgun shot travel?

[PRDATR]

I was wondering and came across this handy chart.

 

http://www.shotgunsportsmagazine.com/downloads/shotgun_statistics.pdf

[wellhead]

Are you looking at max distance the shot will travel or max distance you can effectively hit your target?

[wildwoody]

Ive been peppered at 120yrds with bird shot.