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*Stone beds should be twice as thick as the largest stone's diameter.
*Stone beds should be twice as thick as the largest stone's diameter.
*To prevent erosion of soils beneath the stone and the migration of the stone into the soil, the stone bed should be underlain by a drainage [[Geotextiles|geotextile]].
*To prevent erosion of soils beneath the stone and the migration of the stone into the soil, the stone bed should be underlain by a drainage [[Geotextiles|geotextile]].
<gallery>
File:Geogrid and geotextile.jpg
</gallery>
===Stone mulch===
===Stone mulch===