Agua Fria River in Agua Fria National Monument, Arizona, USA
BLM Photo
BLM Photo library at <a rel="nofollow" class="external free" href="https://www.blm.gov/wo/st/en/bpd.3.html">http://www.blm.gov/wo/st/en/bpd.3.html</a>, Identifier: CD3006