River Rocks River rocks have many uses, including landscaping, water features, erosion control, and drainage. . Alabama Sunset 1/2Yd = $155.00 1Yd = $215.00 Brook Stone 1.5" 1/2Yd = $160.00 1Yd = $245.00 Brook Stone 1-3" 1Yd = $280.00 Brown River Rock 1.5" 1/2Yd = $100.00 1Yd = $180.00 LG Brown River Rock 1/2Yd = $115.00 1Yd = $205.00 White River Rock 1.5" 1/2Yd = $150.00 1Yd = $240.00 Pea Gravel (1/2" Brown River) 1/2Yd = $102.00 1Yd = $175.00