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Rock dust can make a nice surface

(click on photos for detail - suggest starting at 1)

Rock dust can be spread over and between roots without cutting roots in situations where slabs are raised, cracked and broken. A stabilizer is mixed in with the dust in certain situations. Click on the photos below to view the entire process. Suggest starting at 1. (I wish I could remember who supplied these slides?)

raised up sidewalk
Broken raised walk

removing concrete slabs
Removing slabs

spreading rock dust
Spreading rock dust

compacting rock dust
Compacting rock dust

finished rock dust surface
Finished surface
finished rock dust surface
Another example