This investigation will help you to:
Effective Soil Sampling Techniques, PETRIK Library
Lists and discusses five guidelines for collecting soil samples.
Soil Sampling, Jeffrey S. Jacobsen
Discusses sampling procedures for soil sampling.
Soil Profile Gallery, USDA-NRCS National Soil Survey Center
This site includes a written description of different soil types and a photograph and United States distribution map for each soil type.
State/Area Soil Surveys, USDA-NCS National Soil Survery Center
Click on your state to be linked to your state's soil survey.