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Category: Did You Know?

The Science of Creating Rock Recipes: How We Crush Rock

March 31, 2020
Eve Hart
by Eve Hart

Making gravel is a lot like making cookies from scratch: it starts with a recipe.

In this article, you’ll learn about how we create our product recipes, the basics of crushing rock, and the ways we’re changing the system.

…Continued
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The Foundation for a Great Game: How Synthetic Turf Fields Are Built

January 29, 2020
Eve Hart
by Eve Hart

One of football’s biggest stars is often ignored: the field the game is played on.

…Continued
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Our Five Favorite Rock Finds

October 17, 2018
The Rock
by The Rock

Every year, Washington Rock produces over 1 million tons of rock, sand, and soil products. …Continued

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Quarries and Pits and Mines (Oh My!): Why They’re Important

June 9, 2018
Eve Hart
by Eve Hart

Modern life simply wouldn’t be possible without materials from mines.
…Continued

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What is Overlay Aggregate?

November 18, 2016
Eve Hart
by Eve Hart

St. Thomas in the Virgin Islands has it. Utah, New Mexico, and South Dakota have all used it. What is it? Washington Rock’s Armorstone.

…Continued

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  • Hours

    Office Hours
    Mon–Fri 8 AM–4 PM

    Due to COVID-19, the corporate office is temporarily closed to customers. We are still taking calls.

    Pit & Quarry Hours
    Mon–Fri 6 AM–4 PM
    Sat 6 AM–12 PM (April through October)

    Annual Holiday Closures
    Closed for New Year’s Day, Memorial Day, Fourth of July, Labor Day, Thanksgiving Day, Black Friday, Christmas Eve, and Christmas Day.

  • Phone Number

    Call us at 253-262-1661 and choose an option from the call menu.

    • Press 1 for Sales
    • Press 2 for Dispatch
    • Press 3 for Armorstone
    • Press 4 for Accounting
    • Press 5 for HR & Safety
  • Addresses & Directions

    Corporate Office
    21711 103rd Ave Ct E
    Suite C302
    Graham, WA 98338
    Map >

    King Creek Pit
    25009 Brooks Rd E
    Orting, WA 98360
    Map >
    Printable Directions >

    Kapowsin Quarry
    29104 Camp One Rd E
    Orting, WA 98360
    Map >
    Printable Directions >

  • Payment Options

    Due to COVID-19, we aren’t accepting cash payments at this time. Minimum $35 purchase required on all materials.

    We accept all major credit cards and debit cards. Please note that a 3% transaction fee is added to credit card purchases.

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