Washington Rock’s Basic Topsoil is a naturally organic sandy loam. It’s a fantastic base material that can be used to mound and build up yards and gardens. We use it to create bulk topsoil blends, but you can also mix in your own amendments like compost, manure, and worm castings.

Topsoil Orting
Washington Rock’s organic topsoil is mined at King Creek Pit in Orting, WA.

But where does our topsoil come from? Read more to learn about the mining process at King Creek Pit.

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I first saw my dad (Harry Hart, the founder of Washington Rock) reading Out of Crisis about 10 years ago. The cover was blue and featured a small portrait of an elderly man. The portrait was of the author, W. Edwards Deming. …Continued