Sgt. Aaron Pallansch uses sandbags to secure a plastic tarp to the top of a dike. U.S. Army Sgt. Aaron Pallansch (right) uses sandbags to secure a plastic tarp to the top of a dike at Mandan's Waste Water Treatment Plant in Mandan, N.D., on May 31, 2011. Pallansch is assigned to the North Dakota National Guard. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 901072-V-IAF89-072.jpg Photo Gallery