Proceedings of Geo-Frontiers 2011, held in Dallas, Texas, March 13-16, 2011. Sponsored by Geo-Institute of ASCE; Industrial Fabrics Association International; North American Geo synthetics Society; Geo synthetics Materials Association. This collection contains 496 peer-reviewed papers that describe advances in research and the practical application of geo technologies, especially including geo synthetics. Papers from a memorial session to honor Bernard Myles for his contributions to the geo synthetics industry are also collected in this volume.