DECEMBER 2020/JANUARY 2021 VOLUME 38 NUMBER 6 SUBSCRIBE AT GeosyntheticsMagazine.com PRODUCTS, APPLICATIONS & SERVICES DIRECTORIES + COMPANY DIRECTORY Geosynthetics A PUBLICATION OF 2021 PRODUCT DATA FOR » GEOTEXTILES » GEOMEMBRANES » GEOGRIDS » GEOSYNTHETIC CLAY LINERS » DRAINAGE MATERIALS » GEOCELLS » EROSION CONTROL 1220GS_SpecGuide_Cv1.indd 1 12/22/20 12:01 PMhttp://www.GeosyntheticsMagazine.com