Heiliges Römisches Reich zur Zeit Heinrichs VII.
<a href="https://en.wikipedia.org/wiki/de:User:Captain_Blood" class="extiw" title="w:de:User:Captain Blood">Captain Blood</a> at <a href="https://en.wikipedia.org/wiki/de:" class="extiw" title="w:de:">German Wikipedia</a>
CC BY-SA 3.0
<p><span class="int-own-work" lang="en">Own work</span> using Generic Mapping Tools (<a rel="nofollow" class="external free" href="http://gmt.soest.hawaii.edu/">http://gmt.soest.hawaii.edu/</a>)
</p>
<ul><li>ETOPO2 (Auflösung 2′ = 3,6km am Äquator) <a rel="nofollow" class="external free" href="http://dss.ucar.edu/datasets/ds759.3">http://dss.ucar.edu/datasets/ds759.3</a></li>
<li>GLOBE (30″ = 0,9km) <a rel="nofollow" class="external free" href="http://www.ngdc.noaa.gov/mgg/topo/gltiles.html">http://www.ngdc.noaa.gov/mgg/topo/gltiles.html</a></li>
<li>SRTM (Shuttle Radar Topography Mission) (3″ = 90m) <a rel="nofollow" class="external free" href="http://www2.jpl.nasa.gov/srtm/index.html">http://www2.jpl.nasa.gov/srtm/index.html</a></li></ul>