Oyster Grounds: sheet 54°N/04°E
Sea Bed Sediments and Holocene Geology, 1:250 ¬000 series. Geological Survey of the Netherlands
Laban, C., P.C.M. van der Klugt & P.J. Frantsen, 1995
Sea Bed Sediments and Holocene Geology, 1:250 ¬000 series. Geological Survey of the Netherlands
Laban, C., P.C.M. van der Klugt & P.J. Frantsen, 1995