The most recent North American glaciers reached their maximum thickness and extent between about 26,000 and 20,000 years ago (Ya).

Name: The most recent North American glaciers reached their maximum thickness and extent between about 26,000 and 20,000 years ago (Ya).
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Question

The most recent North American glaciers reached their maximum thickness and extent between about 26,000 and 20,000 years ago (Ya).​

Quizplus · Accepted Answer

This is true, as the last glacial maximum in North America is generally dated to around 21,000 years ago. However, some pre-LGM glaciers may have reached their maximum extent as early as 26,000 years ago.

The Most Recent North American Glaciers Reached Their Maximum Thickness