Coburg soils have aquic conditions with chroma of 2 or less t a depth of 20 to 30 inches. Malabon soils lack aquic conditions with chroma of 2 or less within 40 inches. They are on higher terraces. Redbell soils have aquic conditions with chroma of 2 or less at a depth of 10 to 20 inches. This soil is subject to rare flooding.
Natural vegetation is Oregon ash, rose, spirea, hawthorn and sedges.
The series is of moderate extent. Vertic feature - the zone from 0 to 40 inches has an estimated linear extensibility of 6.0 cm or more. Aquolls feature - chroma of 2 or less in the lower part of the mollic epipedon and prominent masses if iron accumulation.