a pile of soil that interferes with dredgers and bulldozers during construction and overburden. a large lump-d hill is formed

background brown builder bulldozer bulldozers clay compact composting construction deposit dirt dredgers during excavation excavator field formed garden gardening giant growing high highway hill interfere interferes landscape landscaped landscaping large lump lumpshaped mound mountain overburden overburdened park pile powder preservation preserved protection quality recycling save shape site sky slope smooth smoothed soil stabilization steep sunny that wall warehouse