Sand, Gravel and Crushed Stone - Midwest Concrete Materials
It can be used in concrete and is also ideal for use as a base material and for sandboxes. UD-1. ... is a crushed limestone rock. It meets KSDOT CA-5 requirements. It can be used in concrete, driveways, landscape rock and for subgrade material. AB-3. is a crushed limestone. It is ideal for use on driveways and as a base material for concrete.