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Markham's southern border is located 23 miles north of Island Lake on County Road 4 (Governor Rudy Perpich Memorial Drive); and Markham's northern border is County Road 16 (Townline Road), CR 16 serves as a direct east–west route in northeast Minnesota between U.S. Highway 53 and Silver Bay.
Minnesota State Highway 73 is a highway in northeast Minnesota, which runs from its interchange with Interstate Highway 35 in Moose Lake and continues north to its northern terminus at its intersection with U.S. Highway 53 in Field Township near Cook and Orr.
It previously extended into Eau Claire County, but the Eau Claire County section was renumbered Highway 312 as part of the U.S. 53 bypass project in 2006.