United States, Wisconsin, Walworth, Southeat of Bluff Creek upstream from Hwy. P in the calcareous Bluff Springs area at the western edge of the Kettle Moraine ca. 4 miles SE of Whitewater.
42.798876 -88.684097 +-90m.
TRS: T4N R15E sec 23 NE1/4
pattern: BLUFF CREEK AT HWY P
Partly submerged in spring area and above water on rock.