Debris litter the parking lot outside a commercial strip mall in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Filing cabinets stand inside the remains of a business in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
The remains of a commercial strip mall stand in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Debris litter the interior of a GameStop store in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
The ceiling of the drive through was destroyed at an Old National Bank branch in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
A U.S. flag hangs amongst the debris of a self-storage facility in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Children's toys sit amongst the debris of a self-storage facility in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Rachel Fricker pulls a couch across the street as she helps sift through the debris of a friends home in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Ashley Cain, 13, recovers items from the home of her Aunt and Uncle, formerly located across the street from its current location, in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Carey Cain, 9, takes notes on items recovered from the home of her Aunt and Uncle, formerly located across the street from its current location, in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Ashley Cain, 13, rear, recovers items with family and friends from the home of her Aunt and Uncle, formerly located across the street from its current location, in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Rachel Fricker recovers items from the home of a family friend in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
An uneaten bowl of breakfast cereal sits on the kitchen table of a partially destroyed home in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Dylan McDowell, 14, picks up debris outside the home of a family friend in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Ashley Cain, 13, center, sorts thought items recovered from the home of her Aunt and Uncle with her cousin Ethan Mauney, 11, left, in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Lucas Elverd carries clothing through the destroyed bedroom of a family friend in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Jerrod "Gomer" Fulk looks over items recovered in the destroyed bedroom of a family friend in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Debris from neighboring homes sits on top of a house in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Stanley Tripp, a lineman with Ameren Electric, stands next to a broken utility pole as he plans where a replacement will be installed in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
A group of teenage girls sit on the front porch of a family friend in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Dave Ibsen, a volunteer, cleans up a fallen tree outside a home in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Debris sits on the cover of a swimming pool outside a home in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
A laptop sits near an axe on the foundation of an apartment building in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Sharon Johnson dusts off a purse recovered from her destroyed apartment building in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Sharon Johnson looks over jewelry recovered from her destroyed apartment building in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Jake Simerly, 16, takes a break from searching through the debris of his grandmother's destroyed apartment building in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Debris sits on top of a vehicle in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
Jake Simerly, 16, searches through the debris of his grandmother's destroyed apartment building in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker
A family photograph hangs on a refrigerator in a destroyed apartment building in Harrisburg, Illinois, U.S., on Thursday, March 1, 2012. Photographer: Daniel Acker