Saturday, 21st—The Eleventh Iowa received new guns, the Enfield rifle, and everyone is pleased with the exchange. Receiving orders to move camp, we struck our tents at 3 o’clock p. m. and moved two miles and went into camp in a cotton field close by the levee just above the town of Lake Providence. On account of the flooding waters we had to travel a distance of four miles to reach the point. General Logan’s Division moved up the river about four miles.