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  1. A horizontal shelf or ledge built into the embankment or sloping wall of an open pit or quarry to break the continuity of an otherwise long slope and to strengthen its stability or to catch and arrest slide material. A berm may be used as a haulage road or serve as a bench above which material is excavated from a bank or bench face. CF: bench
  2. The space left between the upper edge of a cut and the toe of an embankment. Seelye, 1
  3. An artificial ridge of earth. Nichols, 2
  4. Terraces that originate from the interruption of an erosion cycle with rejuvenation of a stream in the mature stage of its development and renewed dissection, leaving remnants of the earlier valley floor above flood level. AGI
  5. A nearly horizontal portion of the beach or backshore formed by the deposit of material by wave action. Some beaches have no berms; others have one or several. See also: bank height

Source: Dictionary of Mining, Mineral, and Related Terms

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