U.S. Army Corps of Engineers - Rock Island District
The Rock Island District, one of forty-one Corps districts across the Unites States, Europe, and Asia, is headquartered in the Clock Tower Building on Arsenal Island in Rock Island, Illinois. The District employs a highly trained and experienced staff of civilians - not Army soldiers - whose mission is to plan, design and construct solutions to problems regarding river navigation, flood control, environmental restoration, disaster response, military support and recreation.
P.O. Box 2004
Rock Island, IL 61204