How should they be mapped. Eilean Bàn at Kyle looks similar.

  * Many of the coastlines are uncorrected PGS data often with
    systematic errors of placement of 100s of metres.
  * In some cases shadows on high cliffs have led to erroneous
    coastlines (notably Soay which should now be corrected).
  * The Western Isles boundary largely does not follow the coastline.
    It appears to mainly result from import of Boundary Line Open Data
    and therefore uses the low water mark. This data is generally more
    accurate than coastline data so many islands fall outwith or
    across the admin boundary.
  * Many islands are not actually part of the boundary relation at all.


Is it right and the other small ones wrong. Is there a wiki?


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