U.S. Environmental Protection Agency (EPA) Repository of Environmental Impact Statements (EIS). One of the world's largest collections of environmental impact statements is available in the Northwestern University Transportation Library. Nearly all of the EISs issued by federal agencies since 1969 are held, usually in draft, as well as final form. This site is maintained by Northwestern University.

U.S. Army NEPA Repository. This site has some of many NEPA-related documents published by Army installations in the last several years. This is a secure site. Users must have a valid Army Knowledge Online (AKO) user id and password. You will also need to contact the USAEC help desk to receive a site-specific password. Call 410-436-1244 or DSN 584-1244.

Once inside, select the "Document Management" tab, then the "NEPA Online" tab.