Joe Vinson, a Vicksburg-Warren County School District engineer technician, keeps an eye on a pump to keep the Yazoo River backwaters from coming through the storm drain at the Redwood Elementary ... more 
Joe Vinson, a Vicksburg-Warren County School District engineer technician, keeps an eye on a pump to keep the Yazoo River backwaters from coming through the storm drain at the Redwood Elementary School in Redwood, Miss., Sunday, May 15, 2011. Floodwaters from the Mississippi River and its tributaries which are not expected to crest in Vicksburg until Thursday continue to threaten many man-made levees like the one adjacent to the school. less 
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Associated Press | Photo By Rogelio V. Solis
Sun, May 15, 2011 4:28 PM EDT