The proceedings from Geo-Frontiers 2011 contain 500 papers presented at Geo-Frontiers 2011 in Dallas, Texas, March 13-16, 2011. Geo-Frontiers 2011 included three key events: the ASCE/Geo-Institute Annual Congress, Geosynthetics 2011, and the biennial NAGS Conference. These papers will be of interest to geotechnical researchers and practicing engineers, especially those working with geosynthetic materials. Cost $99 ($79 for IFAI members).