General background contents
Edvard Luiidi 1699
William Shrubsole 1837 - 1927

Challenger expedition

  Malacostracous crustacae (Bell) 1857
  James Bowerbank letter 1840
Edgard Casier 1966
  Economic uses
  References & Bibliography
  Sheppey, site of special scientific interest, SSSI and fly tipping
London clay formation of theThames basin and the Hampshire basin.
Chart illustrates the position of the main nodule bands
Topographical map of the island
My thanks to David Ward, and Chris king whose work I have taken and adapted these images from.