United States, Arkansas, Washington, Steprock glade 100 m NW of second bend in Yellow Rock Trail above limestone bluffs going up from road to Campground A in Devil's Den State Park T.13N, R.31W, NE1/4, SE1/4, Sec. 23
35.787815 -94.252465 +-280m. WGS84
Used Google Streets and Satellite maps to locate Yellow Rock Trailhead and follow trail as much as possible, making measurements as indicated. Double checked location with ESRI USGS Topo USA (faster) map. Placed marker in estimated vicinity and edited radius to encompass T13N R31W S23 NE4 SE4 which corresponded to described locality.