Base Natural Stone & Landscape Supply Experts at providing quality natural stone and landscape products to landscape contractors, designers and architects. PRODUCTS: Square Cut Flagstones • Random Jumbo Slabs • Coping, Banding and Step Treads • Dimensional Natural Stone Steps • Random Garden Steps • Wall Stone • Waterfall Rock • Granite Cobble Stone • Armour Stone • Aggregates • Soils • Natural Stone veneers • Mulches • River Rock