Sec. 10-8.431.   Soil stockpiles.
   Topsoil, subsoil, and subgrade materials in stockpiles shall not exceed forty (40) feet in height, with slopes no steeper than 2:1 (horizontal:vertical). Soil stockpiles shall be seeded with a vegetative cover to prevent erosion and leaching. The use of topsoil for purposes other than reclamation shall not be allowed. (§ 2, Ord. 1276, eff. December 6, 2001)