Standard specifications for road and bridge construction.

Description

Viewability

Item Link Original Source
Limited (search only)   1938 University of Illinois at Urbana-Champaign
Limited (search only)   1950 University of Illinois at Urbana-Champaign
Limited (search only)   1954 University of Illinois at Urbana-Champaign
Full view   1954 SUP University of Illinois at Urbana-Champaign
Limited (search only)   1966 University of Illinois at Urbana-Champaign