United States, Wisconsin, Sauk, Fern Dell-Mirror Lake [State Park]," 2.2 mi. due SW of downtown Lake Delton
43.553943 -89.837594 +-2291m.
(T.13N., R.05N., Secs. 31, 36; T.12N., R.06N., Sec. 6; T.12N., R.06N., Sec. 1).
pattern: 13N5E31
Soil on rock ledge. [Most of the area is jack pine woods, scattered prairie remnants, and old fields. There are sandstone outcrops near the lake itself.]