Products
Coulee Frac Sand supplies sand that is an uncompromising natural proppant, “a Northern white” frac sand exceeding ISO Spec 13503-2. Coulee Frac Sand is located in western central Wisconsin where Northern White Sand is found in abundance, and highly valued as a preferred proppant due to its favorable physical characteristics. We currently produce 20/70 and 70-140 wet cut frac sand.