American Institute of Steel Construction Web Site 20011005203257 20011218041914 eng text/html AISC, a Web Site produced by American Institute of Steel Construction, a professional association or union, is part of the Library of Congress September 11 Web Archive and preserves the web expressions of individuals, groups, the press and institutions in the United States and from around the world in the aftermath of the attacks in the United States on September 11, 2001. September 11 Terrorist Attacks, 2001 http://www.loc.gov/minerva/collect/sept11/ www.aisc.org/ http://wasearch.loc.gov/sep11/2001*sa_/www.aisc.org/ None 20030915000000 '20060717174614' 2320