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Lake Theo Folsom Bison Kill Site

Stone tool fragments were discovered in 1965 and 1972 on the shores of Lake Theo, named for former landowner Theodore Geisler. Archeological testing in 1974 revealed a campsite and bison butchering and processing area dating back to the age of Folsom man, between 10,000 and 12,000 years ago. Projectile points and scraping tools were found at a depth of four feet, along with over 500 bones from an extinct type of bison. Ponds in Holmes Canyon, now covered by Lake Theo, probably attracted prehistoric men to this area. (1978)

34.4155° N, 101.0704° W

Where to Find It

Caprock Canyons State Park and Trailway. From visitor center, proceed 0.3 mi. NW to road on south shore of Lake Theo (Lake Theo Day Use Area), then 0.5 mi. W to marker site on the W side of Lake Theo.

Nearby Markers

All 18 markers in Briscoe County

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