Name the Kentucky region in western Kentucky known for loess soil that is the northern extent of the Gulf Coastal Plain.

• A. Pennyroyal Region
• B. Bluegrass Region
• C. Jackson Purchase
• D. Western Coal Field

Answer: (C)

Loess soil is a fine wind-blown silt that forms very fertile, flat plains. In Kentucky, this loess-rich land appears in the western part of the state, specifically in the Jackson Purchase, which sits at the northern edge of the Gulf Coastal Plain. The description—western Kentucky with loess soils marking the northern extent of the Gulf Coastal Plain—fits this region best. The Pennyroyal, Bluegrass, and Western Coal Field have different dominant features: karst and rugged hills, limestone-derived soils and rolling terrain, and coal-bearing ridges, respectively.