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<br /> <br />. , I, ,,~-'::::-~~~..t r 'J ER,,"e '" ) <br />I 'rAEI.2 R305"- 5 RUi/Ol'F CURV:O: hCi.WE:\S Fon HYDROLOGIC SOIL GROUPS AlIL <br /> SURfACi:; COVER CO:.PLEXES <br /> :<nd Use Treatment Hydrologic Soil Group - Hydrologic Condition <br /> or Soil A Soil B Soil C Soil D <br /> Practice Poor Fair Good Poor Fair Good Poor Fair Good Poor Fair Good <br /> P~qT I-CULTIVATE~ <br /> Fallo\l - Straight rO\l 77 86 91 94 <br /> Crop - Straight row 72 67 81 78 88 85 91 89 <br /> Crop - Contoured 70 65 79 75 84 82 88 86 <br /> Crop - Cant + Terrace 66 62 74 71 80 78 82 81 <br />I Small grain - rO\ls 65 63 76 75 84 83 88 87 <br />, - Contoured 63 61 74 73 82 81 85 84 <br /> - Cant + Terraee 61 59 72 70 79 78 82 81 <br />.1 Close-seeded legumes or <br />rotation meado\l - rO\ls 66 58 77 72 85 81 89 85 <br />, - Con-coured 61~ 55 75 69 83 78 85 83 <br />I - Cant + Terrace 63 51 73 67 80 76 83 80 <br />PART II- GRASSLMlDS oar Fair Good Poor Fair Good Poor Fair Good Poor Fair Good <br /> Pasture or range 68 49 39 79 69 61 86 79 74 89 84 80 <br /> Range pitting 58 37 22 73 64 48 83 77 72 88 83 79 <br /> Range contouring 47 25 6 67 59 35 81 75 70 88 83 79 <br /> Heado\l (dry) 30 58 71 78 <br /> Heado\l (vet) 100 100 100 100 <br /> ~_H~ III-.-iILDL,<UlDS-l'Om:STSPoorFe.ir Good Poor Fair Good Poor Fair Good Poor Fair Good <br /> oods (Curves l/n) I 45 36 28 66 60 55 71 73 70 83 79 17 <br /> Forests: P=25;F=3.5;G=4~5)46 36 26 68 @) 52 78 70 62 84 76 69 <br /> Chamise Range 76 59 43 85 75 65 90 83 76 93 87 82 <br /> Herbaeeous Range 68 55 42 80 71 63 87 81 75 90 85 81 <br /> Chaparral 68 37 9 80 61 43 87 74 62 90 80 71 <br />. Grass-Annual 68 53 39 79 70 61 86 80 74 89 84 80 <br />- Oak-Savanna (Annuals) 60 43 27 76 65 54 84 76 69 88 82 76 <br />Juniper 60 34 8 75 58 42 83 7a 61 67 78 10 <br />Open Brush 58 39 20 74 62 50 83 75 66 87 81 74 <br />i, Ponderosa Pine 45 29 14 66 56 46 77 70 64 83 77 72 <br />I <br />Oak-Aspen 43 15 64 47 30 76 64 53 82 73 64 <br /> Sagebrush-grass 47 22 67 48 30 78 65 53 83 74 64 <br />I Juniper-grass 75 56 40 85 73 62 <br />PART IV -lHSC;-;LLA:1EOUS Poor Fair Good Poor Fair Good Poor Fair Good Poor Fair Good <br />I SITr.S <br />Wetlanu.s, impervious 100 <br />Overflo\l; subirrigated 95 90 <br /> V. Shalla'" ( 10" rot ts or less) 95 90 <br />I Irregular slopes, outcrops-- 85 75 <br />Roads, dirt-good) surf-poor74 72 84 82 90 87 92 89 <br /> Farmsteads, homesites 59 74 82 86 <br />I 'ravel sites 45 25 <br /> DC J, ~5. 3.5- '1-''- /,.5- <br />~ <br />~ RBC5'-7 <br /> <br />