IDAHO FALLS, Idaho (AP) — Officials at Grand Teton National Park in northwestern Wyoming are trying to determine if some of the park's 11 glaciers are still moving or if they are now remnant glaciers or ice patches.

The Post Register reports in a story on Saturday that the park is making an effort to better understand Teton, Middle Teton, Schoolroom, Petersen and Falling Ice glaciers.

National park glaciologist Simeon Caskey says it will take about a decade to gather enough information to see how the park's glaciers fit in with climate change models.

Scientists are using GPS readings from the surface of the glaciers, time-lapse photos and stakes to examine the glaciers.

Experts say the park's glaciers formed during the Little Ice Age from about 600 to 150 years ago.

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