BLACK HILLS MINING REVIEW V 4,V 5,V 6,V 8,V 10.S DAKOTA SCHOOL OF MINES BULL 16 P 183 185.FUERSTENAU AND NATION 1954 UNPUB BS THESIS S DAKOTA SCHOOL OGRIES 1948 US BUREAU MINES PROPOSALMINERAL RESOURCES US BUREAU MINES1915 1917 1918 1919 1926 191929 1930 1931MINERALS YEARBOOK US BUREAU MINES1940GEOL SOC AMERICA BULL VOL 57 P 1557 1558LARSEN AND RAUBACH 1954 UNPUB BS THESIS S DAKOTA SCHOOL OF MLINCOLN 1943 US BUREAU MINES WAR MINERALS REPORTSOUTH DAKOTA SCHOOL OF MINES BULL17 P 16 36 81PROCEEDINGS S DAK ACAD SCIENCE VOL 49REPT BY TECH SERVICE CORP CINC OHIO SUBJECT NO 412 1930S DAKOTA GEOL SURVEY BULL 3 P 60 61RAPP 1970 UNPUBLISHED MS THESIS SDAKOTA SCHOOL MINES AND TECANNUAL REPTS S DAK STATE INSPECTOR MINES 1891 1892 1916 1917119-1920 1923 1924 1925 1926 1940