Thermistors will determine North Slope tundra opening2003 travel study increased tundra opening; new standard of snow and subsurface temperature offers heads-up for seismic Kristen Nelson Petroleum News Editor-in-Chief
The Alaska Department of Natural Resources has changed the way it measures ground hardness for North Slope tundra openings.
The standard for opening the coastal plain last year was six inches of snow and 12 inches of frost, measured by a drop hammer, a test of ground hardness.
The new standard, ba....
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Tundra travel study
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