Oil and gas exploration in the Beaufort Sea also continues.

The Beaufort Sea slid out of sight to the north.

Such reserves are known to exist under the Beaufort Sea.

The last section of the ice road was on the frozen Beaufort Sea.

The company says it is on track to start drilling in the Beaufort Sea next year.

They had access to the rich oil and gas reserves of the Beaufort Sea.

Past research included extensive projects dealing with the Beaufort Sea.

In the winter, an ice road was built across the frozen Beaufort Sea.

Temperature has little influence on their distribution in the southern Beaufort Sea.

The Beaufort Sea is ice-free for three to four months in the summer.

Here the drillship is at work on a site in the Beaufort Sea.

About 1,500 bears are believed to reside in the southern Beaufort Sea.

A dispute over fishing rights is brewing in the Beaufort Sea.

"These long distances of open water didn't use to exist in the southern Beaufort Sea," she said.

The population in the Beaufort Sea was last reviewed in 1986.

Consequently, whaling was finished in the Beaufort Sea by 1911.

Operating boats along the coast of the Beaufort Sea can be tricky.

The shoreline of the Beaufort Sea is covered with tundra.

Her department also plans to lease nearly 10 million acres in the Beaufort Sea off the state's northern edge.

In the spring, the whales migrate north and east to the eastern Beaufort Sea.

To find the hand of Franklin reaching for the Beaufort Sea.

One was the population off the Beaufort Sea, along the Alaskan coast.

Federal officials have given Shell approval for limited work in the Beaufort Sea.

And the Beaufort Sea's stratification is high in both summer and winter.

Drilling operations in the Beaufort Sea ended on March 19.

The Beaufort Sea slid out of sight to the north.

Such reserves are known to exist under the Beaufort Sea.

The shoreline of the Beaufort Sea is covered with tundra.

Her department also plans to lease nearly 10 million acres in the Beaufort Sea off the state's northern edge.

Sporadic drilling along the continental shelf of the Beaufort Sea.

Its northern coast is on the Beaufort Sea.

After finishing University, he worked on an oil rig in the Beaufort Sea.

It is an arm of the Beaufort Sea.

The company spent billions exploring and found large deposits under the Beaufort Sea, but did not have the money to develop them.

Hidden changes in the ice cover of the Beaufort Sea were discovered in 2009.

This also enabled the industry to drill in the deeper waters of the Beaufort Sea.

This equipment expanded the explorable regions in the Beaufort Sea.

Smaller numbers are found in the Beaufort Sea.

The petroleum industry gradually shifted its focus into the unpredictable waters of the Beaufort Sea.

These explosions have been banned in the Beaufort Sea during the time of year that bowheads are present.

However, he wanted to extend his plans to include geographical exploration in the Beaufort Sea, then a blank space on the world's maps.

Offshore wells in the Canadian sector of the Beaufort Sea have cost more than $100 million.

The Beaufort Sea lies to its west.

None of the mud flowed into the Beaufort Sea, but it showed that even the latest techniques are fallible, she said.

They were busy concentrating on new finds in the Beaufort Sea and off the Venezuela coast.

There is another village further north on the Beaufort Sea, where there are oil wells, which tourists may fly to.

The next morning, during the chartered flight north to where the ship is floating on the Beaufort Sea, she considers her choices.

Females begin to breed at the age of four years in most areas, and five years in the Beaufort Sea area.

On the shore of the Beaufort Sea, there is abundant game for the wolves and bears who co-habit the area.

Smaller still is the coastal plain of the refuge, a narrow wilderness that flanks the Beaufort Sea.