USCS Calculator for those of you that classify soil according to the ASTM Visual-Manual Procedure (ASTM-D2488) and record only the percentage of gravel, sand, and fines in the field, without the soil group name and symbol. The USCS Calculator allows you to determine the soil group name and symbol from your field data, for use in soil descriptions when preparing boring and test pit logs. Students and young professionals are welcome to use the USCS Calculator for learning the first part of this soil classification procedure online. Quick Start Instructions: 1. Tap on, or move the slider to, the percentage drawing a geologic cross section, making a geologic cross section, geologic cross section diagram, geologic cross section map, geologic cross section example, boring logs, logplot, rockel, icd services, logiteasy, environmental compliance, environmental due dilligence, well logging, soil profile, types of soil, soil horizons, soil layers, classify soil samples, pedology, lithology, fence diagram Show more