Image identifying locations of USGS borehole sites in Arctic Alaska

Image identifying locations of USGS borehole sites in Arctic Alaska

Detailed Description

Image identifying locations of USGS borehole sites in Arctic Alaska where borehole temperature measurements were acquired in permafrost regions between 1950 and 1988 by the U.S. Geological Survey. A large number of the 87 sites (boreholes) represented in this dataset are deep enough to penetrate the base of permafrost.

Details

Image Dimensions: 250 x 250

Date Taken:

Location Taken: US