Please note: You will receive an invoice which includes instructions for payment. Payments must be received at least two weeks prior to the class date to secure your registration. Cancellations must also be received at least two weeks prior to be eligible for a refund.

CANCELLED-Using Field Indicators for Hydric Soils

  • Thursday, May 07, 2020
  • 9:00 AM - 4:30 PM (PDT)
  • Padilla Bay Reserve, Mt. Vernon
  • 0


  • You will receive an auto-invoice after you register. Only checks are accepted at this time (no credit cards).

This class will teach you how to effectively use the Hydric Soil Indicators in the Regional Supplements to the Corps of Engineers Wetland Delineation Manual. You will learn the basic processes that take place in saturated soil, and how to “read the story” in a soil profile. The training includes an introduction to identifying layers, distinguishing concentrations and depletions, and preparing hydric soil descriptions from soil profiles. Each student will have a chance to describe soil profiles and apply the field indicators to their notes.


This workshop will be indoors, with an exercise in the field. Please dress appropriately. (6.5 CM AICP Credits/ CEP Points)


Required class materials to bring:

  • a sharpshooter or tile spade style shovel (if you have one)
  • soil knife
  • tape measure
  • spray bottle for water (if you have one)

Lunch is provided.

Instructor: Bob Thomas is a biologist and soil scientist for the Army Corps of Engineers, Seattle District, Regulatory Branch Branch.  He has extensive experience in the Pacific Northwest in routine delineations, delineations in disturbed areas, and problematic hydric soils.  Mr. Thomas has been teaching hydric soil and delineation workshops to professional groups and agencies since 2000.


Washington State Department of Ecology 


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