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Appendix 6

Summary of Changes in the Second Edition

The main changes in the Second Edition accommodate the new knowledge and understanding of the nature, distribution and refined testing for soils containing sulfidic materials (see below). Included in these changes is the introduction of Subtidal and Subaqueous soils. Other minor changes include converting the terminology of Reticulite to Reticulate, adding various Ferric and Manganic Subgroups to the Vertosols and a modification to the A horizon Family criteria for Hydrosols.

The main changes to soils with sulfidic and sulfuric materials are summarized below: