Natural radioactivity in water supplies / Jack K. Horner. Horner, Jack K. Radioactive pollution of water. Radiation, Background. Water quality management. TD427.R3 H67 1985 523.019752 19 HON Includes bibliographical references and index. Boulder : Westview Press, 1985. 1985. 1985 Text xix, 371 p. : eng Studies in water policy and management ; no. 6