Morton Arboretum berm, plan and profile, Sta. 1157 to Sta. 1193. [Contractor] Vollmer Associates, consulting engineers (3.5863)
Date: May 1986Creator: Illinois State Toll Highway Authority
Type: Map
Description:A preliminary proposal. For the topographic configuration of the berm actually developed see Tyznik, Anthony. A berm detail… (SURV:A III (c) 1).
Extent: 4 sheets stapled