by South Dakota School of Mines and Technology

1918

by Franklin R. Carpenter, South Dakota School of Mines and Technology

1888

by University of South Dakota

1919

by South Dakota. Legislature. Senate

1901

by University of South Dakota

1914

by South Dakota. Regents of Education

1904

by South Dakota. Legislature. Senate

1901

by South African Institute of Mining and Metallurgy

1898

by South Dakota School of Mines and Technology

1900

by South Dakota State School of Mines. Dept. of Geology and Mineralogy

1899

by South Dakota School of Mines and Technology

1929

by South Dakota

1901