Jefferson National Parks Association (JNPA) is a federally recognized National Park Service cooperating association. It has a cooperative agreement with the U.S. Army Corps of Engineers to operate a bookstore at the Lewis and Clark Visitor Center.
3 Things You Should Know
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The "Yellow Stone," a steamboat belonging the John Jacob Astor's American Fur Company, was the first steamship to ascend the "Big Muddy" into what would become the Dakota Territory and eventually the present-day Dakotas and Montana. More...