2. Referenced Documents
D1452 Practice for Soil Exploration and Sampling by Auger Borings
D2487 Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)
D2488 Practice for Description and Identification of Soils (Visual-Manual Procedure)
D420 Guide to Site Characterization for Engineering Design and Construction Purposes
D653 Terminology Relating to Soil, Rock, and Contained Fluids
MIL-STD-619 Unified Soil Classification System for Roads, Airfields, Embankments and Foundations