(Urbansky, 38', 1985, SD-63-02) SW of North Sioux City, Big Sioux Township, Union County, SD. Dakota Dunes Blvd W. 0.1 miles from jct with I29 exit 1, N. on Sioux Point Rd. 0.5 miles, W. on Flurie Rd. 0.2 miles, S. on Shay Rd. 0.1 miles to the house on the W. side of the road at 811. (7-10-09, N42 30.507 W96 30.141) Photo by Jack Schmidt.