Standard specifications for road and bridge construction.

Description

Viewability

Item Link Original Source
Full view   1921 University of Illinois at Urbana-Champaign
Limited (search only)   1934 University of Illinois at Urbana-Champaign
Full view   1934 University of Michigan
Full view   1940 University of Illinois at Urbana-Champaign
Full view   1940 University of Michigan
Full view   1942 University of Illinois at Urbana-Champaign
Full view   1942 University of Michigan
Limited (search only)   1950 University of Illinois at Urbana-Champaign
Full view   1950 University of Michigan
Full view   1957 University of Illinois at Urbana-Champaign
Full view   1957 University of Michigan
Full view   1960 University of Illinois at Urbana-Champaign
Full view   1960 University of Michigan
Full view   1960 University of Michigan
Full view   1963 University of Michigan
Full view   1963 University of Michigan
Full view   1965 University of Michigan
Full view   1965 University of Michigan
Full view   1967 University of Michigan