TY - BOOK AU - Brakensiek,D.L.et al AU - Osborn,H.B.joint author AU - Rawls,W.J.joint author TI - Field manual for research in agricultural hydrology PY - 1977/// CY - U. S. PB - Dept. of Agriculture and Science and Education Administration KW - Hydrology KW - Research KW - Manual KW - Watersheds N1 - Includes bibliography; Open access ER -