Gravel Premium Bike Trail Mix FA-21 Birdseye Stone 1/4″ washed PGE CS-01 Porous Granular Embankment Grade 9 CA-6 3/4″ minus Pea Gravel 3/8″ washed CA-16 #6 Stone 3/4″ washed CA-7/11 #8 Stone washed CA -5 #10 Stone 3/8″ Chips CA-16 3/4″ Chips CA-7/11 2″ Roofing Stone ASTM #3