Desert Spice D. G. Crushed Stone Fines Material Decomposed Granite and crushed stone products are commonly used for decorative walkways, patio & outdoor living areas, planter beds, light duty driveways, water-wise landscaping, dog runs, utility and side yard areas, dry and wet creek, pond features and erosion control. One cubic yard of 3/8" decomposed granite or crushed stone will cover 108 square feet in a 3" inch layer.