Academics, professionals, and engaged citizens alike can find much to interest them in the U.S. Army Corps of Engineers (USACE) Digital Library. This vast repository contains a wide range of material "by and about the U.S. Army Corps of Engineers" for varying audiences. These materials include technical reports, histories, photographs, maps, recreational guidebooks, and multimedia. This regularly updated library is well-organized, easy to search, and covers all the USACE Districts nationwide. Nearly all the materials on this site are freely available to the public for download, with the exception of the USACE's design materials, which are only available to USACE employees. Anyone interested in learning the specifics about a bridge, dam, or other construction projects under federal jurisdiction will find this resource greatly beneficial to their research.