750 ROAD AND HIGHWAY BUILDING MATERIALS (NOT ASPHALTIC) 75004 * Ash, Fly and Bottom 75007 * Borrow and Soil (See Class 790 for Top Soil) 75014 * Caliche 75021 * Cement, Truckload Lots and Larger 75028 * Concrete Curing Blankets and Paper 75030 * Concrete, Precast 75035 * Crushed Stone 75042 * Drilling Mud 75049 * Dynamite and Supplies: Caps, Fuses, Powder, Stick, and Wire 75052 * Flexible Base 75054 * Ice Control Aggregate (See Class 775 For Salt) 75056 * Lightweight Aggregate, All Types 75060 * Patching Materials (Not Asphaltic) 75070 * Ready-Mix Concrete 75077 * Sand and Gravel 75084 * Shell 75089 * Slag 75091 * Stabilized Base 75095 * White (Hydrated) Lime