The very poorly drained Mahalasville soils are in drainageways and depressions. Where Mahalasville soils are mapped in association with Longlois soils, they have gravelly substrata. Surface runoff is medium. Permeability is moderate in the subsoil and very rapid in the underlying material. Most areas are used to grow corn and soybeans.
Winter wheat is the principal small grain.
Native vegetation was predominantly prairie grasses with mixed hardwood trees and shrubs. The Longlois series is of small extent. Carroll County, Indiana, 1955. The type location has been moved within Tippecanoe County by this draft.