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NPS Photo
Across the Canadian River region of the Texas Panhandle lie traces of prehistoric homes, workshops, and campsites—but none compare to the striking landscape of Alibates Flint Quarries. Here, vibrant agatized dolomite—known as Alibates flint—paints the terrain with rich color. This unique stone spans a 10-square-mile area, with its highest concentration found within a 60-acre section atop a mesa inside the monument. Today, more than 736 hand-dug quarries remain, each typically over six feet wide and marked by a central depression. Though wind, rain, and time have softened their edges, their story endures. Ancient quarry workers dug a foot or more beneath the surface to reach flint-bearing dolomite layers—sometimes up to eight feet thick—where unweathered flint awaited. Artifacts crafted from Alibates flint have been uncovered across the Great Plains and as far as Canada and Mexico, a testament to its value and the far-reaching trade networks of the people who once worked here.
Life Along the Canadian River Homes of this era featured rectangular or semi-circular rooms with long, narrow entrance passages—10 to 12 feet in length—lined with stone. To enter, visitors had to crawl on hands and knees. Recent discoveries reveal that these roofs were not flat, as once believed, but pitched at a 7–9 degree angle, thatched, and sealed with clay. By the late 15th century, severe drought and pressure from neighboring tribes likely forced these communities to leave the region. Preserving Cultural Resources |
Last updated: February 2, 2026