Apparatus having at least one earth working element mounted on a frame which is wholly or partly supported either on skids, a part of the frame, or by the element itself, and which is adapted to be dragged behind a towing vehicle, and wherein the element has either (a) a substantially vertical working surface adapted to strike off or level the earth, or (b) a substantial area adapted to contact the earth in a horizontal direction to compact or smooth the earth.
(having at least one earth working element; mounted; L:on a frame) (a frame; is; wholly)
having at least one earth working element a frame
mounted is
L:on a frame
wholly