BLACK HILLS MINING REVIEW 1902 V8 NO 9GRUNWALD ROSS 1970 GEOLOGY ANDIMINERAL DEPOSITS OF THE GALENG DISTRICT BLACK HILLS SOUTH DAKOTA PH D THESIS SOUTH DAKOTAOFMINES AND TECHNOLOGY 323PSHAPIRO L H AND GRIES 51P 1970 ORE DEPOSITS IN ROCKS OF PALEND TERTIARY AGE OF THE NORTHERN BLACK HILLS S DAKOTA U S GEOY HEAVY METALS PROGRAM CONTRACT #14-08-0001-10650SLAUGHTER A L AND HART OLIN 1968 DOUBLE RAINBOW PROJECT: OMEILVER CONTRACT 2233 FINAL REPORT 150 PSMITH F C 1897 THE POTSDAM GOLD ORES OF THE BLACK HILLS OF SKOTA AIME TRANS 27 P404-428.US BUMINES 1954 BLACK HILLS MINERAL ATLAS S DAKOTA PART I: WUS BUMINES INFO CIRC 7688 123P