Height Maps
===========

 - [gebco_08_rev_elev_1080x540.png](https://visibleearth.nasa.gov/images/73934/topography)
     - Imagery by Jesse Allen, NASA's Earth Observatory, using data from the General Bathymetric Chart of the Oceans (GEBCO) produced by the British Oceanographic Data Centre.
 - shapes.bmp
     - Created by Jon Olin, i.e. the author of this crate.

Normal Maps
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All generated by this crate.