NOELKE HILL. Noelke Hill, in southeastern Upton County, is seven miles south of Rankin near the source of Noelke Creek. The summit (at 31°09' N, 101°55' W) reaches an elevation of 3,026 feet above sea level. The hill is composed of massive limestone and dolomite substrate. Oak, juniper, and some mesquite grow in the shallow and stony soil.