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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?)

1
raised up sidewalk
Broken raised walk

2
removing concrete slabs
Removing slabs

3
spreading rock dust
Spreading rock dust

4
compacting rock dust
Compacting rock dust

5
finished rock dust surface
Finished surface
6
finished rock dust surface
Another example