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Visions Landscape Supply & Design
You would most likely need at least 1.5 tons if it was a smaller width swale (12" - 16" ).
For any more width, figure the sq. footage at 75 - 80 sq. ft. per ton.

We just installed 2 similar jobs with the same stone and averaged about 75 - 80 sq. ft. per ton. This was more than just a single layer of stone in the dry creek beds so you couldn't see the landscape fabric underneath.
Give us a call at 704-238-1900 and let us know the exact length / width and we can help you, if needed.
11 hours ago   
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