Archean gneiss at Lake Arbutus Dam, Jackson County, Wisconsin
SE¼, Sec.3, T.22N., R.3W., Hatfield 7½-minute Topographic Quadrangle.Outcrop along the Black River below the eastern half of Arbutus Dam (Fig. 1). Approach is on a 0.2-mi-long (0.3 km) gravel road that intersects Clay School Road 0.1 mi (0.2 km) west of the Green Bay and Western Railroad tracks.Additional outcrop occurs for 0.6 mi (1 km) downstream from dam.
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North-Central Section of the Geological Society of America
One hundred field guides, with area maps, to locations in Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Nebraska, Ohio, and Wisconsin.