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Tracking <br /> 1 <br /> - <br /> o `= . <br /> —71 <br /> cgwa- <br /> 711 jilt <br /> 1111117-- 1:414 <br /> �= ® o <br /> 'TRACKING'with machinery up and down e e <br /> the slope provides grooves that will catch <br /> seed, rainfall and reduce runoff. <br /> Contour Furrows '�/\\/ <br /> 6"min <br /> (150mm) <br /> Maximum 1 <br /> 50' \� %�\\ <br /> /\/\ (15m \\ \) <br /> \,\\/\ <br /> /// <br /> Grooves Will Catch Seed, /\/ <br /> Fertilizer, Mulch, Rainfall �\\�\ \/ <br /> �and Decrease Runoff. <br /> Figure 4.6—Surface Roughening by Tracking and Contour Furrows <br /> February 2005 Volume II— Construction Stormwater Pollution Prevention 4-37 <br />