grade contour

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• change of grade — Usually understood as an elevation or depression of the surface of a street, or a change of the natural contour of its face so as to facilitate travel over it. It is essential that there shall have been a previously established grade and that a… …   Black's law dictionary

• change of grade — Usually understood as an elevation or depression of the surface of a street, or a change of the natural contour of its face so as to facilitate travel over it. It is essential that there shall have been a previously established grade and that a… …   Black's law dictionary

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