Bulletin.
Section II,
Géologie appliquée.

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Item Link Original Source
Limited (search only)   1968 University of Minnesota
Limited (search only)   1968 no.1-4 University of Michigan
Limited (search only)   1969 University of Minnesota
Limited (search only)   1969 no.1-4 University of Michigan
Limited (search only)   1970 University of Minnesota
Limited (search only)   1970 no.1-4 University of Michigan