The James series consists of very deep, poorly and very poorly drained soils formed in clayey alluvium on floodplains. Permeability is slow or very slow.
Slopes are less than l percent.
James silty clay - on a slope of less than 1 percent in native grass. When described the soil was moist to 2 inches, dry from 2 to 20 inches and moist from 20 to 60 inches. Thickness of mollic epipedon ranges from 24 to over 60 inches. Redoximorphic features in many pedons are masked by the dark matrix colors. Free carbonate is at or within 10 inches of the surface.