Multi colored pieces of chert gathered along the Nigu river, which in eskimo means rainbow. National Petroleum Reserve, Alaska.
Photo ID#: 21028705

Chert rocks from Nigu river, NPR-A

Multi colored pieces of chert gathered along the Nigu river, which in eskimo means rainbow. National Petroleum Reserve, Alaska.
Model Release: No
Restrictions: None

© Patrick J Endres / www.AlaskaPhotoGraphics.com