We'll find it...
Gas lines, water lines, electric cables, telephone cables, CATV lines, sewer pipes, drainage pipes, fiber optic cables, empty conduits, rebar, I beams (inside buildings), radiant heating, oxygen lines, calgon lines, chlorine lines, steam pipes, steam tunnels, buried walls, cesspools, propane tanks, oil tanks, UST's, effluent pipes, sludge pipes, abandoned or removed UST's, gasoline lines, vent pipe lines, vapor sensor wire, extraction/injection well piping, buried manholes,.....