ICOADS Web information page (Tuesday, 07-Jan-2014 23:57:52 UTC):

Figure 2

Figure 2. 2° landmask (LLN2F1) created from the Fig. 1 data: black for land areas, blue for ocean, white for coastal (i.e., when 1-3 of the four consituent 1° boxes were ocean).

[Links to detailed][Landmask files]

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