Camden is also home to the Black Walnut Festival. Horses are susceptible to laminitis from exposure to black walnut wood in bedding. The extraction of the kernel from the fruit of the black walnut is difficult. Some soils preferred by black walnut include Alfisol and Entisol soil types. Spencer is the home of the annual West Virginia Black Walnut Festival. Butternut seems to be more susceptible to this disease than black walnut. It is also a component of the black walnut drupe. Louisiana's forests offer a mix of oak, pine, beech, black walnut, and cypress trees. The chancel was dominated by a black walnut reredos. It was named for a grove of black walnut trees near the original town site. Black walnut nuts are shelled commercially in the United States. The union office is located in the Welland Campus' Black Walnut building. Just north of the falls parking lot is an old orchard of black walnut. The Model Golden 39A is built of forged steel parts and American grown black walnut. As in the Senate chamber, the paneling is of black walnut.