F. A. P. Route 431 [North-South Tollway] proposed typical sections
FormatBlueline and Photographs
Extent6 sheets stapled
DescriptionA composite work consisting of road cross-sections (scale: horizontal, 1 inch = 20 feet and vertical, 1 inch = 10 feet) identified as C-C , D-D, E-E, F-F, G-G, and H-H. Specific cross-sectional locations are then shown on an accompanying aerial survey. (scale: 1 inch = 100 feet; 95x90 cm.) .
Spatial Coverage[Chicago, Illinois]