(Shadow Ridge, 48', 2006, 36-42-A) across pond inlet NNE of Luther, Logan County, OK. Luther Rd. N. 4.0 miles from jct with OK66 just N. of Luther, E. on Waterloo Rd. 1.4 miles to the bridge on the N. side of the road at 24201. (6-5-09, N35 43.493 W97 10.141) Photos by Jack Schmidt.