Huesker Geosynthetics (a gsa underwriter), along with Allan Block Corporation, sponsored Columbia University on the first full-scale seismic testing ever performed on SRW walls. In the Fall of 2002, a series of three tests were conducted on Allan Block walls reinforced with Huesker geogrids at a seismic research facility in Japan. 28-page Executive Summary at http://www.allanblock.com/seismic/seismicreport2.pdf . For the 4-page summary, please go to the continued link below.