This field guide is useful for making or reading soil and site descriptions. The major sections address soil profile description, geomorphology, geology, soil taxonomy, soil map symbols, and field sampling strategies....

Lecture notes focusing on measuring grain size distributions (GSDs) of soils and the two methods used to do this. Provides procedures for Sieve Testing and Hydrometer Testing to find the GSD for particular grain sizes.

This United States Department of Agriculture (USDA) publication (9th edition, 2003) contains taxonomic keys necessary for the classification of soils in a form easily used in the field. The book describes soils in...

The National Soil Survey Center (NSSC), as part of the Natural Resource Conservation Service, maintains the Soil Survey Laboratory Soil Characterization Database. The application allows users to generate, print and...

Dr. John Atkinson, of the University of the West of England, developed a site for undergraduate students wanting to learn more about soil classification. His site addresses issues such as: shear strength, peak strength,...