As used in this chapter, the following terms shall have the meanings indicated:
Includes any lot, parcel or tract of land in the Township of Morris shown on the Tax Map of said Township or designated on any other legally approved, filed map as a single unit of land, all parts of which are in the same ownership.
Any soil other than topsoil.
The surface soil and soil material to a depth of six inches' tillage, its equivalent in cultivated soil or the original or present A horizon plus B horizon if in the top six inches, as defined by the National Cooperative Soil Survey of the United States Department of Agriculture, before its removal or displacement for any purposes whatsoever during the course of land development or improvement. Topsoil shall be capable of supporting vegetation indigenous to the area.