U.S. DEPARTMENT OF THE INTERIORBUREAU OF LAND MANAGEMENT
Fairbanks District Office
 
Eastern Interior Field Office
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Photo 6

Leah Mackey stands along a tape measure stretched on the tundra and inserts a soil probe.

Leah Mackey of the Yukon River Inter-Tribal Watershed Council inserts a probe to measure the depth of the active layer down to the top of the permafrost at the Active Layer Network grid on Nome Creek. USGS photograph by Paul Schuster.

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Last updated: 07-20-2012