[GRASSLIST:5465] PONET- where from?!

[Lawrence Moran]

Hi,

I've been using a raster layer as a mask and now want to expand my 
study area. My problem however is that I can not remember where I got 
the data for the mask!

The data is land areas, with coastlines matching those of the Political 
Ocean Network data (the is even a matching anomaly where the 
Saudi/Yemen border is unclear). But rather than being vector lines, 
this coverage is raster areas, with water as a nul value.

Can anybody suggest where I can download this data? Alternatively I can 
presumably produce such a raster from the vectors, but how?

Thanks very much,

Lawrence