The annual precipitation is 110 to 150 inches. These are the Halbert , Nemah , Nordby and O'Brien soils. Halbert and Nemah soils have an aquic moisture regime. Nordby soils are loamy-skeletal and have an umbric epipedon. O'Brien soils are medial in the control section.
Principal uses are timber production, wildlife habitat, watershed and recreation.
The major tree species are Douglas fir and western hemlock. Understory species include salal, western brachenfern and cascara. The series is of small extent. Grays Harbor County, Washington, 1979.