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    • CommentAuthorWriterSP
    • CommentTimeNov 5th 2018
    I am trying to get better resolution for an Earth map, so looking through the Tome of Ultimate Mapping, on pg 669 it says you can:

    "download the even higher resolution data set ETOPO1, available from the National Geophysical Data Centers web site at"

    It goes on to say:
    "If you look at the file names, one of the ends with f4, while the other ends with i2."

    However, there are only an option to download a tiff file and these:
    ETOPO1_Ice_c_gdal.grd.gz 2011-03-22 20:50 378M
    ETOPO1_Ice_c_gmt4.grd.gz 2013-01-02 17:59 378M

    Is the Tome out of date?
    • CommentTimeNov 5th 2018
    Unfortunately, external sites love to rearrange their content. World would have been so much easier if internet was a static place.

    Anyhow, you can find the files here
    • CommentAuthorWriterSP
    • CommentTimeNov 5th 2018
    That is fantastic, thank you so much!