The Locke series consists of very deep, somewhat poorly drained soils formed in sandy loam glacial till.
Permeability is moderate.
Slopes range from 0 to 6 percent. Thickness of the solum ranges from 20 to 40. Gravel content ranges from 2 to 15 percent and cobbles range from 0 to 6 percent throughout the pedon. The upper part of the solum ranges from strongly acid to neutral, and the lower part ranges from neutral to moderately alkaline. The control section ranges from moderately acid to moderately alkaline.