Young, Steven C. National Risk Management Research Laboratory (U.S.) text Cincinnati, OH : National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, [1998] eng "Interagency agreement DW64934812." "EPA/600/R-98/058." "August 1998." Includes bibliographical references (p. 53-56). Flow meters. Hydraulic measurements. Wells--Design and construction. Also available in digital form. http://hdl.loc.gov/loc.gdc/scd0001.00205604078