As used in this article, the following terms shall have the meanings indicated:
To dig, excavate, remove, deposit, place, fill, grade, regrade, level or otherwise alter or change the location or contour. This term shall not be construed to include cultivation, plowing or spading or any other operation with regard to the soil which is generally associated with the tilling thereof for agricultural or horticultural purposes.
Any person, including corporations, seized in fee simple of any lot or subdivision or having any interest or estate which would permit effective possession thereof or dominion thereover.
Any earth, clay, loam, gravel, stone, sand, dirt or rock without regard to the presence or absence therein of organic matter.
In its natural state, constitutes the top layer of earth and which supports vegetation.