Nolichucky Pea Gravel Loose - 3/8 - 1/4 $175.00 Aggregated Nolichucky River Rock sold by the scoop. Pea gravel size, 3/8ths to 1/4 inch Add To Cart Added! Aggregated Nolichucky River Rock sold by the scoop. Pea gravel size, 3/8ths to 1/4 inch