Click thumbnail to enlarge Truck Mounted Soil rig Soil core sample Randomized soil sampling for Development Soil Textural Triangle Septic system diagram Illinois State Soil: Drummer silty clay  loam Deformation of soil layers by glacial ice Excavation for installation of geo heating & cooling Central Illinois roadcut Residential area subject to frequent flooding Use of flood plain areas for recreation Ponding of low-lying area Competing land use: residential & agricultural Foundation damage from subsidence in organic soils Compacted fill Materials Gravel pit high wall Aerial view of soil patterns on landscape Underground Adventure exhibit at Field Museum DESIGNED BY BLUE SKY CONSULTING