and a Southern Section, covering a somewhat larger area around Harney Peak. The northern section is characterized...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds, etc. petrified...petrified wood, wood opal; along the Grand R. though entire Co., regional banks, breaks, gravels, etc |