| Dissipate flow and prevent erosion at inlets and outlets || "*Angular crushed stone, which will ""knit"" or lock together and be less likely to shift, is recommended, however, for aesthetic purpose smooth river run stone may be desired. | | Dissipate flow and prevent erosion at inlets and outlets || "*Angular crushed stone, which will ""knit"" or lock together and be less likely to shift, is recommended, however, for aesthetic purpose smooth river run stone may be desired. |