Scope and Contents Collection consists primarily of correspondence to Admiral Porter from several high-ranking Union officers--including Generals Nathaniel P. Banks, Ulysses S. Grant, John A. McClernand, and William T. Sherman--regarding operations in the lower Mississippi River Valley. Collection contains accounts of the Yazoo River Expedition, the Arkansas Post Expedition, the Vicksburg Campaign, the siege of Jackson, Mississippi, and the Red River Campaign. Also contains information on gunboats and the...