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Columbian mammoth fossil, Waco Mammoth National Monument

Fossil Columbian Mammoth bones at a display dig at Waco Mammoth National Monument in Texas
Jay Galvin
Monday, July 13, 2020

This paleontological site represents the nation’s only recorded discovery of a nursery herd of Columbian mammoths. Reaching 4 m (13 ft) at the shoulders and 22,000 lb in weight, research has indicated that between 65,000 and 72,000 years ago, a nursery herd of at least 19 mammoths were trapped and drowned by rapidly rising flood waters from the Bosque River.

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The Essential RVing Guide

The Essential RVing Guide to the National Parks

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