TY  - BOOK
AU  - Ojakangas, R. W. and Matsch, C. L.
AU  - Ojakangas, R. W. and Matsch, C. L.
TI  - Minnesota's geology
U1  - Hu7373 
PY  - 1984///
CY  - Minnesota
PB  - The University
KW  - Hu7373
ER  -