{"version":"1.0","type":"link","title":"AASHTO Soil Classification System - Newikis","description":"The AASHTO Soil Classification System was developed by the American Association of State Highway and Transportation Officials, and is used as a guide for the classification of soils and soil-aggregate mixtures for highway construction purposes. The classification system was first developed by…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}