APPROVED SOURCES

SEGMENTAL RETAINING WALLS, WET CAST

The following producers are approved to furnish segmental and modular block retaining walls on the basis of certification in accordance with the Iowa DOT Specification requirements.

MANUFACTURER

Kings Materials, Inc.

Kastle-Wall Retaining Walls (Wet Cast)

Attn: ReCon System

650 12^th Avenue SW

PO Box 368

Cedar Rapids, IA 52406

319-363-0233

Cretex Concrete Products
369 Wiles Road
Plattsmouth, NE 68048

Cretex Concrete Products
Iowa Falls, IA

Croell Concrete Products

Hiawatha, IA