GTOPO30

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GTOPO30 is a digital elevation model for the world, developed by USGS. It has a 30-arc second resolution (approximately 1 km), [1] and is split into 33 tiles stored in the USGS DEM file format.

[edit] See also

[edit] References

  1. ↑ http://edc.usgs.gov/products/elevation/gtopo30/gtopo30.html

[edit] External links



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