Metal construction.

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Item Link Original Source
Limited (search only)   v.7 1975 University of Michigan
Limited (search only)   v.8 1976 University of Michigan
Limited (search only)   v.9 1977 University of Michigan
Limited (search only)   v.10 1978 University of Michigan
Limited (search only)   v.11 1979 University of Michigan
Limited (search only)   v.12 1980 University of Michigan
Limited (search only)   v.13 1981 University of Michigan
Limited (search only)   v.14 1982 University of Michigan
Limited (search only)   v.15 1983 University of Michigan
Limited (search only)   v.16 1984 University of Michigan
Limited (search only)   v.17 1985 University of Michigan
Limited (search only)   v.18 1986 University of Michigan
Limited (search only)   v.19 1987 University of Michigan
Limited (search only)   v.20 1988 University of Michigan