The medium gravel is labeled 3/4” or #56 or # 67. It is used as a finish rock for existing or new driveways. It’s nowhere near as dusty as crusher run. it can be used as a base rock for small additions to existing driveways. It is good for parking your boat or camper on. It is also used as a base stone for concrete construction. It is a key material in the production of concrete products.