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Reconnaissance or a walkover survey adds to the desk study by

  • A.measuring the compressive strength of the underlying rock
  • B.recording the water pressure within the deeper aquifers
  • C.establishing the chemical composition of the soil profile
  • D.observing the present condition of the ground and its surroundings

Answer: D

Correct answer: observing the present condition of the ground and its surroundings

The walkover puts the desk study against what is actually there: seepages, hummocky ground suggesting old slips, cracked walls on adjacent buildings, made ground, the state of the drainage. None of it is measurement, and that is not its purpose - it is the check that the records still describe the site.

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