Burrowing muskrat causes levee to fail in Missouri
Residents Henry James, left, and Herb Crosby sit on top of a house as they wait for the floodwaters to arrive after a levee break Friday, June 27, 2008, in Winfield, Mo. A section of an earthen levee broke Friday morning, releasing Mississippi River waters that officials predicted will "ultimately inundate" part of the small town. (AP Photo/Jeff Roberson)