The Glenhall series consists of deep, moderately well drained soils on till plains which have a layer of outwash and also on outwash plains.
Permeability is moderate in the solum and moderately rapid in the underlying material.
They formed in up to 20 inches of silty material and the underlying loamy outwash. Slopes range from 1 to 4 percent. Glenhall silt loam - on a 2 percent slope in a cultivated field. Solum thickness ranges from 40 to 60 inches. Depth to chroma 2 or less mottles range from 30 to 40 inches.