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Officials survey a gaping sinkhole that opened up a residential street on Chicago's South Side after a cast iron water main dating back to 1915 broke during a massive rain storm, Thursday, April 18, 2013, in Chicago. The hole spanned the entire width of the road and chewed up grassy areas abutting the sidewalk. Two of the cars that disappeared inside had been parked, but a third was being driven when the road buckled and caved in. Only the hood of one of the vehicles can be seen peeking from the chasm.(AP Photo/M. Spencer Green) ( Spring Storm Sinkhole )

A motorist pushes his disabled car after it died while driving through a flooded section of the Kennedy Expressway on April 18, 2013 in Chicago, Illinois. Thunderstorms dumped up to 5 inches of rain on parts of the Chicago area overnight, closing sections the Edens, Eisenhower and Kennedy expressways, which lead to and from downtown, during the morning rush. (Photo by Scott Olson/Getty Images) ( 166899788 )

The Wrigley Field grounds crew squeegees water from shallow left field after removing a tarp before an interleague baseball game between the Chicago Cubs and the Texas Rangers Thursday, April 18 2013, in Chicago. Heavy rains forced the postponement of Wednesday's game and threaten the completion of Thursday's game. (AP Photo/Charlie Arbogast) ( Rangers Cubs Baseball )

A section of a car can be seen in a gaping sinkhole that opened up a residential street on Chicago's South Side after a cast iron water main dating back to 1915 broke during a massive rain storm Thursday, April 18, 2013, in Chicago. (AP Photo/M. Spencer Green) ( Spring Storm Flooding )

A motorist drives through standing water in a flooded underpass on April 18, 2013 in Chicago, Illinois. Thunderstorms dumped up to 5 inches of rain on parts of the Chicago area overnight, closing sections the Edens, Eisenhower and Kennedy expressways, which lead into downtown, during the morning rush. (Photo by Scott Olson/Getty Images) ( 166899778 )

Motorists drive through water on a flooded exit ramp from the Kennedy Expressway on April 18, 2013 in Chicago, Illinois. Thunderstorms dumped up to 5 inches of rain on parts of the Chicago area overnight, closing sections the Edens, Eisenhower and Kennedy expressways, which lead to and from downtown, during the morning rush. (Photo by Scott Olson/Getty Images) ( 166899792 )

Jake Hodel, 15, of Roanoke, Ill., stands in knee-high flood waters surrounding the home of Ross and Nancy Gingrich of Roanoke early Thursday, April 18, 2013, after heavy rains left many homes flooded out. The National Weather Service expected a storm system moving over Illinois would dump about three inches of rain in the area. (AP Photo/Journal Star, Ron Johnson) ( Spring Storm Illinois )

Motorists drive through water on a flooded exit ramp from the Kennedy Expressway on April 18, 2013 in Chicago, Illinois. (Photo by Scott Olson/Getty Images) ( 166899794 )

CHICAGO, IL - APRIL 18: A motorist drives through standing water in a flooded underpass on April 18, 2013 in Chicago, Illinois. (Photo by Scott Olson/Getty Images) ( 166899796 )

Bob Zehr wades through flood waters surrounding the home Ross and Nancy Gingrich of Roanoke, Ill. early Thursday, April 18, 2013, as friends helped to save belongings and evacuate residents living near the West Branch Panther Creek in the town after heavy rains flooded several homes. (AP Photo/Journal Star, Ron Johnson) ( Spring Storm Illinois )

CHICAGO, IL - APRIL 18: Traffic backs up near a flooded section of the Kennedy Expressway on April 18, 2013 in Chicago, Illinois. (Photo by Scott Olson/Getty Images) ( 166899795 )

An abandoned car bobs in standing water under an overpass Thursday, April 18, 2013, in Chicago. Blasts of torrential rain and widespread flooding forced authorities to shut segments of major expressways, and hundreds of flights were scrapped. (AP Photo/M. Spencer Green) ( Spring Storm Flooding )

Reuben Hodel, 12, right, and his brother Max Hodel, 15, help to save belongings of homeowner Ross Gingrich of Roakoke, Ill. early Thursday, April 18, 2013, as flood waters from nearby West Branch Panther Creek caused by heavy rain flooded homes overnight. The National Weather Service expected a storm system moving over Illinois would dump about three inches of rain in the area. (AP Photo/Journal Star, Ron Johnson) ( Spring Storm Illinois )

Police officer Shannon Vandenheuvel, left, and Melissa Kolenda, right, help Barbara Jones from her partially submerged car in Grand Rapids, Mich. Thursday, April 18, 2013. Middle America was getting everything nature has to throw at it on Thursday, from snow in the north to tornadoes in the Plains, and with torrential rains causing floods and transportation chaos in several states. (AP Photo/Grand Rapids Press, Chris Clark) ( Spring Storms )

Officials survey a gaping sinkhole that opened up a residential street on Chicago's South Side after a cast iron water main dating back to 1915 broke during a massive rain storm Thursday, April 18, 2013, in Chicago. The hole spanned the entire width of the road and chewed up grassy areas abutting the sidewalk. (AP Photo/M. Spencer Green) ( Spring Storm Sinkhole )

Joe Stoffey, left, and his partner, Chrissy Wild, look at the flooded Hickory Creek Thursday April 18, 2013, as it passes near the home they were going to buy in New Lenox, Ill., after torrential rains swept through the area. (AP Photo/SouthtownStar, Matt Marton) ( Spring Storm Flooding )

A man walks along a temporary levee being quickly constructed in hopes of holding back the rising Mississippi River Thursday, April 18, 2013, in Clarksville, Mo. (AP Photo/Jeff Roberson) ( Spring Storm )

Cody Weets walks his dogs along the flooded Rock Creek in Morrison, Ill., Thursday, April 18, 2013. Torrential rains swept throughout the area with many rivers surging beyond their banks from the downpours in Missouri, Iowa and Illinois. (AP Photo/Sauk Valley Media, Philip Marruffo) ( Spring Storm Flooding )

A child attempts to navigate the snow covered sidewalk of South Payne Street on a scooter after leaving Jefferson Elementary School, Thursday, April 18, 2013 in New Ulm, Minn. (AP Photo/The Journal of New Ulm, Steve Muscatello) ( Spring Storm )

Members of the Burlington, Iowa, Fire Department Ky Duttlinger, center, and Greg Higdon, right, rescue Mike Schnedler, Burlington, from the back of his pickup truck, Thursday April 18, 2013, after it was swept off of Flint Bottom Road in Burlington, Iowa. Schnedler attempted to drive through the standing water covering the road. (AP Photo/The Hawk Eye, John Lovretta) ( Spring Storm Flooding Iowa )

Jimmy Stribling, left, and Chris Fitchett, right, along with other volunteers help to fill sand bags in hopes of holding back the rising Mississippi River Thursday, April 18, 2013, in Clarksville, Mo. (AP Photo/Jeff Roberson) ( Spring Storm )

Jennifer Waters, left, hugs Chrissy Wild, as the flooded Hickory Creek passes near the home Wild was going to buy in New Lenox, Ill. on Thursday April 18, 2013. It was going to be her first home. a. (AP Photo/SouthtownStar, Matt Marton) ( Spring Storm Flooding )

Steve Dieckhaus arranges sand bags being filled in hopes of holding back the rising Mississippi River Thursday, April 18, 2013, in Clarksville, Mo. (AP Photo/Jeff Roberson) ( Spring Storm )

Water begins to cross Rupp Hollow Road near Heritage Pond Thursday April 18, 2013 in Dubuque, Ia. County road crews closed this section of the road due to the flash flooding. (AP/TELEGRAPH HERALD, Dave Kettering) ( Spring Storm Flooding Iowa )

Road crews begin clearing debris collecting on a bridge along Herber Road north of Dubuque, Iowa, as flash flooding completely closed the section of road Thursday April 18, 2013. (AP/TELEGRAPH HERALD/mbr) ( Spring Storm Flooding Iowa )

A driver splashes his way past a Madison County, Ill., Deputy Sheriff on the curve of Old Edwardsville Road in Roxana, Ill., Thursday, April 18, 2013, near Thomas Street just before Roxana Police called for barricades to close the road. (AP Photo/The Telegraph, John Badman) ( Spring Storm )

Students head for the buses at Jefferson Elementary School after classes were canceled because of deteriorating weather conditions, Thursday, April 18, 2013 in New Ulm, Minn. (AP Photo/The Journal of New Ulm, Steve Muscatello) ( Spring Storm )

Des Moines County workers, Trevor Williams, left, and Tom Watznauer, block off Highway 99 at 115th St. north of the Burlington Municipal Waterworks plant as water from Flint Creek flows over the roadway Thursday April 18, 2013 in Burlington, Iowa.(AP Photo/The Hawk Eye, John Gaines) ( Spring Storm Flooding Iowa )

Christine Waters gets a first hand look to take pictures of the flooding Mississippi River Thursday April 18, 2013 by the north boat ramp in Burlington, Iowa. The crest on the Mississippi River is predicted to reach 22.3 feet Sunday and would be the third highest on record.(AP Photo/The Hawk Eye, John Gaines) ( Spring Storm Flooding Iowa )

A woman watches the rising Mississippi River Thursday, April 18, 2013, in Clarksville, Mo. The river was expected to climb nearly 10 feet above flood stage by the middle of next week several spots north of St. Louis, including tiny Clarksville, Mo. (AP Photo/Jeff Roberson) ( Spring Storm )

Kirby Carlson, 19 months, holds his dad Steve's hand while walking his dog Allie Thursday April 18, 2013, in Virginia, Minn. Kirby was bundled up in his winter gear as another winter storm blew through the area bringing ice, snow and below freezing temperatures. (AP Photo/Mesabi Daily News, Mark Sauer) ( Spring Storms )

Dave Newton, with Jazz Concrete Pumping, guides the boom filling sand into the Hesco Barriers surrounding the Memorial Auditorium while city workers compact the sand Thursday April 18, 2013 in Burlington, Iowa.(AP Photo/The Hawk Eye, John Gaines) ( Spring Storm Flooding Iowa )

Trino Sandoval pulls a boat with, from left, Steve McGwann, Jose Gonzalez and Rafael Quintana after they rescued a goat that was stranded in the flooded Hickory Creek near the farm Gonzalez rents in New Lenox, Ill., Thursday April 18, 2013. (AP Photo/SouthtownStar, Matt Marton) ( Spring Storm Flooding )