Image: Topo
Topo.jpg (636 × 532 pixels, file size: 86 KB, MIME type: image/jpeg)
Description: A contour map of the thickness of the Earth's crust (numbers in kilometres)
Title: Topo
Credit: http://quake.wr.usgs.gov/research/structure/CrustalStructure/
Author: USGS/USGov
Permission: Free for all use · Zum freien Gebrauch · Je libera uzo
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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