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Image: Phoenix-Deer Valley Rock Art Center- Hedgepath Hills and Sonoron Desert

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Description: View of the Hedgepath Hills and Sonoron Desert from he Deer Valley Rock Art Center in Phoenix, Arizona. The rocks in the Hedge Hills were formed in the Pliocene era when lava squeezed up through fissures in the earth. This type of volcanic rock is called basalt. National Register of Historic Places ref: 84000718
Title: Phoenix-Deer Valley Rock Art Center- Hedgepath Hills and Sonoron Desert
Credit: I (Tony the Marine (talk)) created this work entirely by myself.
Author: Tony the Marine (talk)
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

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