Dave Kesonie, Wendy McBride, Sam Nielsen, and Michelle Cloud-Hughes
United States, Nevada, Clark, 11S 07 23 090mE 40 52 420mN (NAD83), Logan Wash, just west of Logandale, 3km west of the Muddy River, 75km NE of central Las Vegas, Weiser Ridge 7.5' USGS topographic quadrangle.