(WI-46-18) NE of Newburg, Saukville Township, Ozaukee County, WI. Hawthorne Dr. NE (curves E.) 1.25 miles from jct with WI33 in Newburg to the Riveredge Nature Center & building on the S. side of the road at 4458. (N43 26.347 W88 01.421) Photo 10-24-01.