FY 2011 Service Contract Inventory
Typically owm focuses on water that collects in discrete conveyances or point sources, to include water that collects in pipes, ditches, and sanitary or storm sewers. … Fetch This Document

Roman Aqueduct – Wikipedia, The Free Encyclopedia
Less often, pipes were stone or ceramic, jointed as male-female and sealed with lead. Vitruvius describes the construction of siphons and the University of Vermont, 2003., waterhistory.org, dl.ket.org – entry on Roman waterworks, uchicago.edu … Read Article