Condensed explanation of <a href="https://en.wikipedia.org/wiki/Map_projection" class="extiw" title="en:Map projection">Mercator-projection</a> maps, converted to SVG format from larger USGS file of GIF format. <i>See enlarged view below, using a wikitable to expand beyond original size.</i>
derived from US Government USGS
2005-02
<p>derivative from USGS image file,
</p>
<ul><li>URL: <a rel="nofollow" class="external free" href="https://erg.usgs.gov/isb/pubs/MapProjections/graphics/mercator.gif">http://erg.usgs.gov/isb/pubs/MapProjections/graphics/mercator.gif</a></li></ul>