Books of Hydrographic surveying

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  A Geographical Description of the Spratly Islands and an Account of Hydrographic Surveys Amongst Those Islands

  By D. J. Hancox, John Robert Victor Prescott

  (xv) Pearson Reef This steep-to coral reef lies 14nm northwest from Alison Reef in 8°57'N, 113°40”E. The reef consists of a central rectangular section aligned east–west from which project a southwestern promontory and a narrow ...

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  Handbook of Offshore Surveying: Projects, preparation & processing

  By Huibert-Jan Lekkerkerk, M. J. Theijs

  Handbook of Offshore Surveying: Projects, preparation & processing