Landfill Design - Interactive information resource for the promotion and implementation of best practice engineering methodologies through knowledge and technology transfer. Extensive links to design and research tools and institutions, materials selection guides, seminars, case studies and products. Links to related sites. From Advanced Geotech Systems. NorGeoSpec - Joint project of Scandinavian governments and industries, resulting in a common Nordic system for specification and control of geotextiles. Application profiles and list of certified manufacturers on PDF files. Soil Net - Educational portal and information resource for K 1-4 teachers developed by the National Soil Resources Institute (NSRI), which is a centre for research and development, consultancy and training in soils and their interaction with the atmosphere, land use, geology and water resources. Geosindex - Compilation of geosynthetic materials test values provided to assist engineers, designers, specifiers, regulators and others with the design and specification of geosynthetic materials of all types, formatted for ASTM, CEN and ISO standards. Extensive list of links to companies, associations and institutions. Geosynthetics - Weblog for information on the design and installation of geosynthetics in building, construction and waste disposal applications. Guide for the Use of Geotextiles - Handbook for the use of woven and nonwoven geotextiles, originally published in 1991 by the US Department of Agriculture's Soil Conservation Service.