Overland Sand & Gravel mines aggregates near Central City, Waco Clarks and Silver Creek Nebraska. The major mined products are concrete aggregate and gravel. Additional products ranging from coarse rock material used in landscape decoration to fine-grained sands used for golf course greens and athletic field construction.
Everything mined and produced is nonpolluting and recyclable. Former mining sites, originally Nebraska pastures and farmland, have undergone reclamation and transformed into recreational lake developments.