GRUNWALD ROSS R GEOLOGY AND MINERAL DEPOSITS OF THE GALENA MISTRICT BLACK HILLS SOUTH DAKOTA PH D THESIS SOUTH DAKOTA SCMINES AND TECHNOLOGY 1970 285 PPSHAPIRO L H AND GRIES J P ORE DEPOSITS IN ROCKS OF PALEOZOICRTIARY AGE OF THE NORTHERN BLACK HILLS SOUTH DAKOTA 1970 110CONNOLLY,J P THE TERTIARY MINERALIZATION OF THE NORTHERN BLAS SOUTH DAKOTA SCHOOL OF MINES BULL 15 1927 PP 102-107LINCOLN,F C,ET AL THE MINING INDUSTRY OF SOUTH DAKOTA SOUTHSCHOOL OF MINES BULL 7 1937 P 96U S BUMINES STAFF REGION = BLACK HILLS MINERAL ATLAS SOUTH DPART I: BUMINES IC 7688 1954 P31