We thank our cooperator U.S. Army Corps of Engineers for the opportunity to work with them and continue our geologic assessment of the Mississippi-Alabama Barrier Island Chain. We especially thank Dawn Lavoie for helping develop and organize this project. We thank Nancy DeWitt for her help with technical information, images of equipment used in this report, and her review of this document. We also appreciate help with Web design, field assistance, and general support from the following people: Jolene Gittens, Kate Rose, Lance Thornton, Carl Taylor, and Dave Bennett. Reviews of this document were also conducted by Shawn Dadisman and Elizabeth Pendleton.