Skid steer loader and bulldozer work to build side walls of a large pond at a new development site

earthmover bulldozer dirt digging construction excavate excavator landscaping backhoe ditch soil digger dredge pond loader dozer shovel build slope contractor equipment clay bobcat laborer track machinery lake track type tractor hydraulic walls building skid worker low angle bucket scoop steer machine transit power calculus infinity caterpillar blue colar operator