Minnesota mining directory.

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Item Link Original Source
Limited (search only)   980-81 University of Michigan
Limited (search only)   1959 1959 The Ohio State University
Limited (search only)   1960 1960 The Ohio State University
Limited (search only)   1961 1961 The Ohio State University
Limited (search only)   1962 1962 The Ohio State University
Limited (search only)   1963 1963 The Ohio State University
Limited (search only)   1964 1964 The Ohio State University
Limited (search only)   1965 1965 The Ohio State University
Limited (search only)   1966 1966 The Ohio State University
Limited (search only)   1968 1968 The Ohio State University
Limited (search only)   1969 1969 The Ohio State University
Limited (search only)   1970 1970 The Ohio State University
Limited (search only)   1971 1971 The Ohio State University
Limited (search only)   1972 1972 The Ohio State University
Limited (search only)   1978 1978 The Ohio State University
Limited (search only)   1979 University of Illinois at Urbana-Champaign
Limited (search only)   1980 University of Illinois at Urbana-Champaign
Limited (search only)   1981 1981 The Ohio State University
Limited (search only)   1982-83 University of Michigan
Limited (search only)   1983 University of Minnesota
Limited (search only)   1984-1985 University of Michigan
Limited (search only)   1985 University of Illinois at Urbana-Champaign
Limited (search only)   1986 University of Minnesota
Limited (search only)   1986-1987 University of Michigan
Limited (search only)   1988 University of Minnesota
Limited (search only)   1988-1989 University of Michigan
Limited (search only)   1989 University of Illinois at Urbana-Champaign
Limited (search only)   1992 University of Minnesota