Harr, Milton Edward, 1925- Harr, Milton Edward, 1925- Groundwater and seepage / M.E. Harr. - New York : McGraw-Hill, c1962. Includes index. Bibliography: p. 301-307. LCCN: 62013813 Subjects--Topical Terms: Groundwater.Seepage. National Agricultural Library Call No.: GB1003.H3