TY  - BOOK
ED  - Minnesota University.
TI  - Mining directory of Minnesota
U1  -  622.341097760058 
PY  - 1920///-
CY  - Minneapolis
PB  - The University
KW  - Coals
KW  - Periodicals
KW  - Coal miners
KW  - Mines and mining
KW  - Coal mines and mining
N1  - Issued 1923 - as "Bulletin of the university of Minnesota"; Library has : v. 70 - 72, 1967 - 1969 ; v. 75 - 76, 1972 - 1973 ; 1979 ; 1980 ; 1981 ; 1982 ; 1983 ; 1984 ; 1985 ; 1986 ; 1987 ; 1988 ; 1989
ER  -