Powers, W. Land drainage / Wilbur L. Powers and T.A.H. Teeter. - New York : John Wiley, 1922. - ix, 270 p. : ill. ; 22 cm. - The Wiley technical series for vocational and industrial schools . Includes bibliographical references and index Subjects--Topical Terms: Drainage-- Europe.Drainage-- United States. Dewey Class. No.: 631.62