Hawkins, Douglas E. Water table control systems for drainage and irrigation of sandy high water table soils - St. Joseph, Mich. : American Society of Agricultural Engineers, 1979 - 12 p. : gráfs. - Documento ; 79-2541 . - Documento ; 79-2541 . 27-110 LCCN: 68227 Subjects--Topical Terms: Drenaje.Irrigación.Suelos arenosos.Suelos--Humedad.