This is the the third and I think the last try to combine previous works into one concept art.

Topographic Map Images sumbited by Of Far Different Nature and licensed as Public domain used to create buttom mountains.

As a Public Domain, this work does not need attribution and can be used in any way possible.

But if you have the opportunity and my request does not cause you any inconvenience, I would ask you to subscribe to my page on https://www.facebook.com/cogitollc and/or https://twitter.com/cogito_llc.

Thanks and see you soon.