Approved Dust Control Applicators for Black Hawk County as of 4-7-10

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Dunkerton Coop
509 W Dunkerton Rd
PO Box 286
Dunkerton IA 50626
319-822-4291 800-627-3528
Lignon Sulfonate

East Central Iowa Cooperative
1467 W Airline Hwy
Waterloo IA 50703
319-235-6281
Lignon Sulfonate or Magnesium Chloride