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<br />Table 1,.4.1. 3-2 <br /> <br />Runoff Curve Numbers j~)r JiYirol~ic <br />Soil-Cover Complexes--fujral Conditions <br />(Antecedent Moisture Conditio,:rIand 1-=-0 ., S) <br />, a ". <br />(From: U. S. Dept" of Agriculture, <br />Soil Conservation Serlice, 1977) <br /> <br />Land use <br /> <br />Fallow <br /> <br />Row crops <br /> <br />Small <br />grain <br /> <br />Close-seeded <br />legumes Y <br />or <br />rotation <br />meadow <br /> <br />Pasture <br />or range <br /> <br />Headow <br /> <br />\,'oods <br /> <br />Farmsteads <br /> <br />Cover <br />treatment <br />or practicE~ <br /> <br />lbdrotogic <br />i:.ond:f;..tion <br /> <br />Straight N" <br /> <br />" <br /> <br />PO:)I <br />Go)d <br />Poor <br />Good <br />Poor <br />Good <br /> <br />" <br /> <br />Contoured <br />" <br /> <br />",and terraced <br /> <br />11 II " <br /> <br />Straight row <br /> <br />Poor <br />Good <br />POI:;lI <br />Good <br />Poor <br />Good <br /> <br />Contoured <br /> <br />"and terraced <br /> <br />Straight row <br />" 11 <br /> <br />Poor <br />Goed <br />Poor <br />Goed <br />Poor <br />Good <br /> <br />Contoured <br />" <br /> <br />"and terraced <br />"and terraced <br /> <br />Contoured <br />" <br /> <br />Poclr <br />FaIr <br />Good <br />Poor <br />FaIr <br />Good <br /> <br />" <br /> <br />GOCld <br /> <br />POOT. <br />Fall' <br />Good <br /> <br />Roads (dirt) 2/ <br />(hard s~rface) ~/ <br /> <br />1/ Close-drilled or broadcast <br />I/ Including right-of-~ay <br /> <br />LCS-WM Manual <br /> <br />4.4---9 <br /> <br />.!:~unoff_ curve nuober <br />~Hydrologic soil group <br />ABC D <br /> <br />77 <br /> <br />86 <br /> <br />72 <br />67 <br />70 <br />65 <br />66 <br />62 <br /> <br />81 <br />78 <br />79 <br />75 <br />74 <br />71 <br /> <br />65 <br />63 <br />63 <br />61 <br />61 <br />59 <br /> <br />76 <br />75 <br />74 <br />73 <br />72 <br />70 <br /> <br />66 <br />58 <br />64 <br />55 <br />63 <br />51 <br /> <br />77 <br />72 <br />75 <br />69 <br />73 <br />67 <br /> <br />68 <br />49 <br />39 <br />47 <br />25 <br />6 <br /> <br />79 <br />69 <br />61 <br />67 <br />59 <br />35 <br /> <br />30 <br /> <br />58 <br /> <br />1.5 <br />36 <br />25 <br /> <br />66 <br />60 <br />55 <br /> <br />59 <br /> <br />74 <br /> <br />72 <br />74 <br /> <br />82 <br />84 <br /> <br />91 <br /> <br />88 <br />85 <br />84 <br />82 <br />80 <br />78 <br /> <br />84 <br />83 <br />82 <br />81 <br />79 <br />78 <br /> <br />85 <br />81 <br />83 <br />78 <br />80 <br />76 <br /> <br />86 <br />79 <br />74 <br />81 <br />75 <br />70 <br /> <br />87 <br />90 <br /> <br />94 <br /> <br />91 <br />89 <br />88 <br />86 <br />82 <br />81 <br /> <br />38 <br />87 <br />85 <br />84 <br />82 <br />81 <br /> <br />89 <br />85 <br />85 <br />83 <br />83 <br />80 <br /> <br />89 <br />84 <br />60 <br />88 <br />83 <br />79 <br /> <br />71 <br /> <br />78 <br /> <br />77 <br />73 <br />70 <br /> <br />82 <br /> <br />83 <br />79 <br />77 <br /> <br />86 <br /> <br />89 <br />92 <br /> <br />April 1979 <br />