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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1914 edition. Excerpt: ...where the new Cerebos works are situated, were famous in the days of Edward the Confessor. The salt deposits are here deep down, not near the surface as in Cheshire. The beds have been produced by the evaporation of ancient lakes or portions of the sea; the elevation of the ocean floor perhaps cut off a part of the water, and the detached part Salt works Preparing table salt from the brine) would dry up and leave a deposit ot salt. Or sometimes an area of the sea became partially land-locked and was flooded at spring tides only. Between the tides evaporation proceeded, and thus in the course of ages thick beds of salt were formed. The salt of South Durham must be of immense antiquity. Many thousands of years must have passed after the completion of the salt bed before a thousand feet of rock--almost entirely alluvial--were deposited over it and, after successive upheavals and subsidences, the salt bed reached its present level. The salt is won from its deep hiding place by being pumped up as brine. Some of these pumping stations are shown in the illustration on page 18, and very dismal they make the landscape look. The new works at Greatham form, in the flat farming region, an imposing landmark for many miles around. 15. Fisheries and Fishing Stations. "The greatness of England is built upon the herring and the turnip," said an old writer, meaning that the sea power of our country depended on its fisheries--which provide a splendid school for seamen--and its wealth on the wool of its sheep--for which animal the turnip affords winter food. Its old predominance in the fisheries has not deserted Britain; indeed the number of fishermen, the amount of their catch, and the scope of their operations are steadily, in some cases rapidly, ...show more

Product details

  • Paperback | 40 pages
  • 189 x 246 x 2mm | 91g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236504615
  • 9781236504616