On October 25, 1994, about 1930 mountain daylight time, a Cessna T210L, N526HK, sustained substantial damage when it departed the runway (60'X4000' asphalt) and nosed-over during landing roll at the Beulah Airport, Beulah, North Dakota. The private pilot, who was the sole occupant of the airplane, received minor injuries. The local personal flight originated at 1925. No flight plan was filed, and visual meteorological conditions existed at the time. The pilot was practicing touch and go landings on runway 10 at night. On the second landing he stated the airplane veered to the right, departed the runway, and nosed-over. Federal Aviation Administration Inspector who examined the airplane reported the wheel brakes and the nose wheel centering cam operated properly. The reported wind was from 180 degrees at 5 knots.