4. This report begins with basic information on side-scan sonar, 

 including a brief description of its operation and sonograph interpretation. 

 It then discusses the use of side-scan sonar to document features of coastal 

 structures during CERC field work conducted at various sites. In addition, a 

 review of side-scan sonar inspections of coastal related structures is 

 presented. Discussions on operating parameters and the potential purposes of 

 side-scan sonar surveys follow. The report concludes with a summary of 

 potential applications of side-scan sonar for inspecting coastal structures. 



