American Society of Civil Engineers. Geotechnical Engineering Division American Society of Civil Engineers.Geotechnical Engineering Division (USA)American Society of Civil Engineers. Geotechnical Engineering DivisionED (Boulder)American Society of Civil Engineers.Geotechnical Engineering Division American Society of Civil Engineers:Environmental Engineering Division American Society of Mechanical Engineers.Production Engineering Division American Society of Mechanical Engineers.Production Engineering Divsion (USA)American Society of Civil Engineers:Environmental Engineering DivisionED American Society of Civil Engineers.Surveying and Mapping Division American Society of Mechanical Engineers. Fluids Engineering Division