A closed boundary survey showing the total land to be developed, and the net tract area with accuracy within one square foot. All bearings shall be referred to true meridian, including lot surveys, showing marker locations (permanent monuments) for all land to be subdivided. Existing buildings, roads (including present widths of adjacent streets), easements, floodplains, wetlands, ponds, lakes, stream corridors and watercourses, trees, woodlands individual trees of eight (8") inch caliper or greater, all rights-of-way and easements, building dimensions at ground level and existing contours at a minimum of two (2') foot intervals shall be shown.