Quarry Process | QP, DGA | NJ, NY, NYC, PA
Our quarry process is NJ DOT and NY DOT approved. Quarry process is an aggregate size that has been crushed, reduced in size and screened through a 1" square screen. Quarry process can be known by a few different names, including QP, Dense Grade Aggregate (DGA), Shoulder Stone, Item #4, Crusher Run and DGABC.