Soils and the environment : a guide to soil surveys and their applications / by Gerald W. Olson. Olson, Gerald W. Soil surveys. Soils. S592.14 .O37 1981 631.47 19 OLS "A Dowden & Culver book." Includes bibliographical references and index. New York : Chapman and Hall, c1981. c1981. 1981 Text xiii, 178 p. : eng