Slipknot's added dates.........

May 03 - Van Andel Arena - Grand Rapids, MI (w/ Devildriver, 3 Inches of Blood)
May 05 - Prairie Capital Convention Center - Springfield, IL (w/ Devildriver, 3 Inches of Blood)
May 06 - Scottrade Center - St. Louis, MO (w/ DEVILDRIVER, 3 INCHES OF BLOOD)
May 08 - Zoo Amphitheatre - Oklahoma City, OK (w/ Korn, The Used, All That Remains, Dirtfedd)
May 09 - North Shore River Walk Park East - North Little Rock, AR (Edge Fest) (w/Staind, [/art]Chevelle[/art], Drowning Pool, All That Remains, Dirtfedd)
May 10 - Hartman Arena - Park City, KS
May 12 - Canaries Stadium - Sioux Falls, SD (KRRO Fest 2009) (w/ KORN, THE USED, CLUTCH, ALL THAT REMAINS, DIRTFEDD)
May 13 - Alltell Center - Mankato, MN
May 14 - US Cellular Center - Cedar Rapids, IA