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Pile of gray pole canyon boulders

Pole Canyon Boulders

Characterized by their rugged, multi-tonal brown and grey faces, these boulders are ideal for creating naturalistic tiered gardens and hillside terraces.

Materials Calculator

These calculators are designed to give approximate amounts only. They will help you determine the quantity you need; however, variations in subgrade, compaction of subgrade, or inaccurate measurements, even a quarter of an inch of depth, can make a difference.

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For gravel and decorative rock, these are recommended depths assuming normal conditions:
1 inch and below need to be around 2 inches deep, 1.5–2 inch gravel should be 3 inches, and 2–4 inch should be 4 inches deep.
The bigger the gravel size, the deeper it needs to be for good coverage.


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