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Report on the re-levelling in 1915-17 of a line from the English Channel to the Bristol Channel originally levelled in 1837

By: Language: English Series: Ordnance Survey Professional Papers ; (4) new seriesPublication details: London HMSO 1917Description: 4p. 31cmSubject(s): LOC classification:
  • 522.16 $2 18
Summary: Concludes that there is no evidence of a change in the level of ground.