Shop Aggregates River Rock River Rock Shop River Rock 3-8" River Rock $45.50 Pea Stone $48.47 1-3" River Rock $48.49 4-6" River Rock $50.23 1-2" River Rock $47.41 5"+ River Rock $73.00 2-4 inch River Rock $57.66 2-6" River Rock $61.37 5/8" Pea Stone $50.01