<p>Natural minerals in Anaktok Creek coat every rock the water touches. 
</p>
Orange rock in a stream
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/41585865@N06">Western Arctic National Parklands</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/nps_wear/9925371974/">Something in the water</a>