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2 Cards in this Set

  • Front
  • Back
An "excavation' is
A cavity of any length over 1.2 m (4 ft) deep and over 3.7 m (12 ft) wide at the bottom.
A "Trench" is
Any excavation less than 3.7 m (11 ft) wide at the bottom, over 1.2 m (4 ft) deep, and of any length