Development within the Jordan Bluffs West property may require the placement of additional soils above the existing cap as outlined in the SMP. With respect to any and all developed areas within the cap area after initial development, the POA shall oversee the landscaping and maintenance of all landscaped areas. A range of controls may be included within the responsibilities of the POA. At a minimum the controls shall include: for areas with less than three feet of cover soil over the cap, the POA shall take responsibility for any and all landscape installation and maintenance; for areas with greater than three feet thickness of soil covers, the POA may allow individual property owners to install and maintain landscaping insofar as regrading of the property does not occur. All landscape plans on individual properties shall be reviewed and approved by the POA to ensure adequate soil covers, appropriate irrigation, and approved planting plans. All plants must be on the approved list contained in the SMP. (Ord. 6/26/2007O-8 § 1 (Exh. A (part)))