Ground Truth Trekking

Archaeological layers

A midden composed mostly of fish bones and urchin shells, shows a long history of occupation on Umnak Island, interrupted by one significant volcanic island that left a cinder layer through the middle.

Download this image

Right-click on the size you want, and select "save link as..."

Image SizeFilesize
300 px61.8 KB
600 px121.0 KB
750 px186.0 KB
1600 px712.4 KB
Original14.9 MB

Embed this image

1) Select a size:

2) Cut and paste:


Creative Commons Attribution Non-Commercial

Attribution and Copyright info

By Ground Truth Trekking

Content on this page is available under a Creative Commons Attribution Non-Commercial license. For commercial uses please contact us.