Limestone is at a depth of 40 to 60 inches. Mean annual temperature ranges from 45 to 53 degrees F, and mean annual precipitation ranges from 28 to 31 inches. These are the Fayette , New Glarus, and Palsgrove soils. Palsgrove soils are on positions contiguous to areas of Mifflin soils where the thickness of loess exceeds approximately 30 inches. Fayette soils are on areas of thicker loess.
Surface runoff is slow to rapid.
Permeability is moderate. Native vegetation was mixed deciduous forests. Presently much of the land is in corn, small grain, and legumes. Pasture and forests are on steeper slopes. The unglaciated regions of southwest Wisconsin.