Centennial (1978) 1/12 Only the Rocks Live Forever

In 1756, a young Arapahoe child learns his father has been killed in battle and is taught the lesson that 'only rocks live forever'. The child is called Lame Beaver. 1795, a French-Canadian trapper named Pasquinel meets Lame Beaver and they begin trading - pelts for blankets, silver, beads, etc. from around the world. Lame Beaver says he'd like a gun next time the white man returns. The Pawnee also are interested in guns. A doctor introduces Pasquinel to a silver-smith to form a partnership to finance his trading trips. The silver-smith has a daughter, Lise, who is immediately captivated with the Canadian. When Pasquinel delivers the gun to the Pawnee chief, he meets Scottish mountain man, Alexander McKeag. Clay Basket, daughter of Lame Beaver, gives McKeag life-saving care when he is wounded.

Centennial is a 12-episode American television miniseries, that aired on NBC, from October 1978 to February 1979. It was based on the novel of the same name by James A. Michener, and was produced by John Wilder. It follows the history of the area of the fictional town of Centennial, Colorado, from 1795 to the 1970s

The miniseries was one of the longest (26½ hours, including commercials) and most ambitious television projects ever attempted at the time. It had a budget of US$25 million, employed four directors and five cinematographers, and featured over 100 speaking parts spanning 26 hours of television viewing time.
https://en.wikipedia.org/wiki/Centennial_(miniseries)