APPROXIMATELY LOCATED IN OR AROUND THE GOLD BUTTE MINING DISTRICT; PAPKE INDUSTRIAL MINERALS FILES; DEPOSIT DESCRIPTION; GEOLOGY; X-RAY PATTERN; CROSS SECTION; HANDWRITTEN NOTES; U.S. GEOLOGICAL SURVEY BULLETIN 871; SITE NAME: HORSE SPRINGS, BAUER; COMMODITY: MAGNESITE; AUTHOR: PAPKE, K.; HEWETT, D.F.; CALLAGHAN, E.; MOORE, B.N.; NOLAN, T.B.; RUBEY, W.W.; SCHALLER, W.T.