Injury experience in the metallic mineral industries.

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Item Link Original Source
Full view   no.1199 University of Michigan
Full view   no.1200 University of Michigan
Full view   no.1202 University of Michigan
Full view   no.1259 University of Michigan
Full view   no.1269 University of Michigan
Full view   no.1305 University of Michigan
Full view   no.1311 University of Michigan
Full view   no.1316 University of Michigan
Full view   1976 Columbia University
Full view   1976 University of Illinois at Urbana-Champaign
Full view   1977 Columbia University
Full view   1977 University of Illinois at Urbana-Champaign
Full view   no.1996 University of Michigan