Overland Sand & Gravel – Aggregate Mining in Central City ...
Overland Sand & Gravel Company was purchased by NEBCO, Inc. in 2007 and mines aggregates near Central City, Clarks and Silver Creek Nebraska. Concrete aggregate makes up 70 percent of the mined product. Overland Sand & Gravel also produces additional products ranging from coarse rock material used in landscape decoration to fine-grained sands.