About 30 feet below the surface, construction workers in Everett, Washington, made an enormous find that harkens back to times of much colder weather.
While using an excavator on Nov. 13 at the site of a new Courtyard by Marriott hotel, construction workers made contact with something solid, the Daily Herald reported. After geotechnical engineers were able to analyze the object, they concluded that it was a glacial rock weighing some 300,000 pounds and roughly the size of an SUV, the report added.
The huge boulder, known as a glacial erratic, could be as old as two million years, though scientists would need to study the rock closer to get a better estimate for its age, the Daily Herald also said.
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