7 anup Soul Cle g Plannin OPERATION. FIGURE 6-6. BACKBLADING Cag OE oe ge E R e - 9TF tt age C S a ET eo“ Sew. ae - 2 : e e oe oi” -. - ot T ae e ~ . ve 27 . “eas =m ” Toe oe aae Ma R eee De, te t — ame ~ ‘ 2 r nll ate a FIGURE 6-7. SOIL WINDROWING. ra a f* “