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Our products, sourced from the rich landscapes of Northern and Central California, are meticulously crafted to meet the highest standards of purity and effectiveness. From enhancing soil health and crop yields in agriculture to providing key ingredients for construction materials and environmental solutions, our minerals play a pivotal role in sustaining and advancing various industries.

Find the right Limestone for any application

Our Products

2-6" CV-10

1 ½" Drain Rock

3/4" Drain Rock

3/4" Road Base

3/8" Glass Rock

2" Foundry Rock

Grizzly Select

Coarse Washed Sand

Fine Washed Sand

Paso Robles Ag Flour

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Columbia LoMg Dolo Xtra Fine

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Columbia Ag Limestone

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Paso Robles Ag Lime 75

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Columbia Hi Cal Grit Ag

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Paso Robles Grit614C

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Columbia Solution Grade Aglime

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Columbia 50lb bags    (1.5-ton pallet)

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Columbia 50lb bags    (1.5-ton pallet)

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Columbia 1-Ton Totes

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CV-10

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

1 ½" Drain Rock

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

3/4" Drain Rock

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

3/4" Road Base

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

3/8" Glass Rock

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

2" Foundry Rock

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

Grizzly Select

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

Coarse Washed Sand

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

Fine Washed Sand

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

Paso Robles

Ag Flour

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

Columbia LoMg Dolo Xtra Fine

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

Columbia Ag Limestone

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

Paso Robles Ag Lime 75

Applied Uses Include:

  • Industry Use 1

  • Industry Use 2

  • Industry Use 3

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