| Reference | {Deposit:: GUITERAS,J.R.MINING OF FELDSPAR &ASSOCIATED MIN.IN THE S.B.H}{Deposit:: . BU.MINES 1C 7112,1940.P60}{Deposit:: U.S.BU.MINES STAFF.REGION V. B.H.MIN.ATLAS,S.D:PART II,1C 77}{Deposit:: P 89.}{Deposit:: PAGE LINCOLN R AND OTHERS PEGMATITE INVESTIGATIONS 1942-45 B}{Deposit:: LLS S DAKOTA USGS PROF PAPER 247 1953 PP 58 131-33 P123} |