Table 7.   Subbasin runoff curve numbers. Topological number Subbasin Hydrologic soil group Land use Aerial weighted CNII Woodland/grassland Cropland Hydrologic surface condition  CNII   Percent aerial coverage Hydrologic surface condition  CNII   Percent aerial coverage 1 Quebrada Pichucirca D good 79 30 good 89 70 86 2 Quebrada de Tembladera D good 79 90 good 89 10 80 3 Quebrada de Punguyjo D good 79 70 good 89 30 82 4 Quebrada Los Cuartos D good 79 80 good 89 20 81 5 Quebrada de Cascabamba D good 79 40 good 89 60 85 6 Quebrada Huanga Changa D good 79 60 good 89 40 83 7 Río Moyán 0 D good 79 100 good 89 0 79 8 Quebrada Cincate (Colán) D poor 86 100 good 89 0 86 9 Río Sangana 0 D good 79 100 good 89 0 79 10101 Quebrada Pichucirca D good 79 50 good 89 50 84 10201 Quebrada de Tembladera D good 79 80 good 89 20 81 10301 Quebrada Rachichuela D poor 86 80 good 89 20 87 20101 Río Chauchaquis D good 79 70 good 89 30 82 20201 Río Cascabamba (Nieves) D good 79 70 good 89 30 82 20301 Quebrada del Verde D good 79 20 good 89 80 87 20302 Río Tocmoche D good 79 80 good 89 20 81 20401 Río Moyán 1 D good 79 80 good 89 20 81 20402 Río Moyán 2 D poor 86 80 good 89 20 87 20403 Río Moyán 3 D fair 82 80 good 89 20 83 20501 Quebrada Cincate (Colán) D poor 86 100 good 89 0 86 30101 Río Sangana 1 D fair 82 80 good 89 20 83 30102 Río Sangana 2 D poor 86 90 good 89 10 86 30103 Río Sangana 3 D good 79 80 good 89 20 81 30104 Río Sangana 4 D fair 82 100 good 89 0 82 30105 Río La Leche 1 D fair 82 90 good 89 10 83 30106 Río La Leche 2 D poor 86 90 good 89 10 87 Basinwide Río La Leche - - - - - - - 83