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MONROE, Wash.-- A wrong turn in a car or on foot while hiking can quickly get a person into trouble whether in the forests of Western Washington or the dry cold desert of Nevada.

We're getting our first look at just how remote an area of northeast Nevada that Canadian couple Albert and Rita Chretienfound themselves in when they attempted to take the scenic route on their way to a Las Vegas business convention and got lost and got stuckon March 19.

It's always a question of whether to stay or hike out. And it's not always a clear cut answer. says survival trainer Jason Knight.

There is still snow in the higher elevations of hills close to the Idaho state line. Today, search teams were busy looking for Albert Chretien, who three days into the ordeal on went off on foot to find help.Turns out, there was a farmhouse just three miles away that he never saw.

Rita stayed behind in the van,which gave her shelter.She had some trail mix and beef jerky.

She had shelter. She made sure she had a source of water,whether she was working with the snow or the creek nearby, that's excellent; and rationing her food so she had some energy and calories, says Knight.

He also stresses the rule of threes in survival training.

In survival classes we teach the rule of threes. You can go about thee minutes without air.About three hours without a regulated body temperature, exposed to the elements.About three days without water.And about three weeks without food, he said.

Rita Chretien lasted seven weeks.

Washington State provides a good training ground for survival training.It has everything from rain forests on the Pacific coast, to high mountain snow to desert conditions.That's why the U.S. Air Force has its world renown survival school based at Fairchild Air Force Base near Spokane.

Civilians can go to theAlderleaf Wilderness College, that teaches people how tolive through an outdoor ordeal.

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