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A recent journey following the Colorado River has Clay and his colleagues tracing a trail first mapped by the great American explorer and scientist John Wesley Powell between 1869 and 1875.
In the harsh conditions of the Arctic, Dr. Grant Zazula leads an ongoing race against time and nature to save the rich paleontological treasures relinquished by thawing permafrost.…
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Lewis and Clark
President Thomas Jefferson entrusted Meriwether Lewis with the first great exploration of the American West. At the journey’s successful completion, both men held high expectations for a book worthy of the singular accomplishment and the Age of Enlightenment of which it was a part.
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Lewis and Clark at Columbia
Sacagawea has become a giant figure in American memory and mythology. There are more statues of her than any other woman in America. But we know little about the facts of her actual life.
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John Marshall
John Marshall’s service with George Washington at Valley Forge helped shape his very different view of America’s new republic than that of Thomas Jefferson.