![A geological formation called a pingo on the tundra of Alaska's Arctic North Slope](https://photos.alaskaphotographics.com/img-get/I0000es7uDg_e_.Q/s/800/700/21047498.jpg)
![](/img/pixel.gif)
Photo ID#: 21047498
Pingo on Alaska's north slope
A geological formation called a pingo on the tundra of Alaska's Arctic North Slope
Model Release: No
© Patrick J Endres / www.AlaskaPhotoGraphics.com
Restrictions: None
© Patrick J Endres / www.AlaskaPhotoGraphics.com