Mahr’s City View Dairy Manure Pit Project year: 2008 All work and materials supplied by Olynick’s. All site preparation using backhoes, dozers, loaders, off-road trucks, skid steer, grader, compactor, and man labor. Job entailed the installation of all piping including manholes, culverts, and PVC pipe plus erosion mat, silt fence, and fabric. All aggregate needed for project including crushed, topsoil, etc. Share this page Tweet Pin It