(North Sioux City #2) in North Sioux City, Union County, SD. SD105 W. 0.1 miles from jct with I29 exit 2, S. on Sioux Point Rd. 0.25 miles, W. on Quiniela Dr. 0.35 miles to the tower on the S. side of the road. (7-10-09, N42 31.192 W96 30.435) Photos by Jack & June Schmidt.