The Mount Lucas series consists of deep and very deep, moderately well and somewhat poorly drained soils formed in material weathered from diabase and other dark colored basic rocks. Slopes range from 0 to 25 percent.
Permeability is slow.
Mean annual precipitation is 42 inches. Mount Lucas silt loam - woodland. Solum thickness ranges from 25 to 50 inches. Depth to bedrock is greater than 48 inches. Angular rock fragments of diabase and some quartzite and other rocks range from less than 0 to 30 percent in the solum and from 5 to 60 percent in the C horizon.