(George Foster Memorial, 21', 1992, 22-01-C) across a creek S. of Greenbush, Greenbush Township, Alcona County, MI. US23 S. 1.4 miles from jct with Main St. in Greenbush to the bridge on the W. side of the road at 3084. (6-26-09, N44 34.038 W83 18.944) Photos by Mark Comstock.