na INLIS000000000003835 Inggris 0010-0621000121 Field manual for research in agricultural hydrology Soil and Water Conservation Research Division, Department of Agriculture, Amerika Serikat Washington, D.C. Depertement of Agriculture, Soil and Water Conservation Research Division 1962 v, 215 p.: ill.; 26 cm. 631.67 AME f 631.67 HYDROLOGY RESEARCH GUIDELINES 129/KA/2021