Identify Soil Type Using USCS Classification (Unified Soil Classification System) On land owned by the Riau Islamic Education Institute Foundation (YLPI) Cold Air Region, Bukit Raya District, Pekanbaru City, Riau Province. ABSTRACT Geographically, the research area is located at101°14' - 101°34' East Longitude and 0°25' - 0°45' North Latitude, the research is located on the Air Cool area …