If you have a 3/4 ton 4x4 go to the North River off Rt.33, G.W. National Forest and get all you want. If you are not into picking them up yourself Sissler's may not be the place.
https://www.lumberjake.com/product-category/bulk-stone-aggregates/
Here they sell them in bulk. They will dump 20 tons in your driveway.