Fine gravel: gravel consisting of particles with a diameter of 2 to 8 mm. Stone dust: fine, crushed, gravel from the final stage of screen separation, such that the gravel is not separated out from fine dust particles. Lag gravel: a surface accumulation of coarse gravel produced by the removal of finer particles.
This very coarse, crushed, washed, clean gravel is primarily 2″ in size with a top size of 21/2″. It is good for establishing roads over semifirm soil conditions or topping extremely muddy drives. This product is too coarse to shovel by hand. Ideal for farm and logging roads NYSDOT 70302, size 3 .