Permafrost in the National Petroleum Reserve-Alaska

Image shows squares of permafrost

Detailed Description

Permafrost forms a grid-like pattern in the National Petroleum Reserve-Alaska, a 22.8 million acre region managed by the Bureau of Land Management on Alaska's North Slope. USGS has periodically assessed oil and gas resource potential there. These assessments can be found here.


Image Dimensions: 1440 x 938

Date Taken:

Location Taken: Alpine, AK, US