CLARK F F WOLF-STEWART-CLARK TUNGSTEN PROP,LAWRENCE COUNTY SBUMINES UNNUMBERED WAR MINS REPT 1942 7 PP.HANLEY J B PRELIM REPT-TUNGSTEN DEPOSIT DEADWOOD S D U S G SD MEMORANDUM TO E Y DOUGHERTY,DISTRICT ENGINEER BUREAU OF MIRUNNER J J AND HARTMANN M L THE OCCURRENCE CHEMISTRY METALLUUSES OF TUNGSTEN WITH SPECIAL REFERENCE TO THE BLACK HILLS ODAKOTA S D SCHOOL OF MINES BULL 12 1918 265 PP.S DAK STATE MINE INSPECTORS REPORT FOR 1941 P 26